20397000000

素因数分解:

$2^6\times 3^1\times 5^6\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 392

約数和(自身を含む): 72785943328

約数和(自身を除く): 52388943328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 125, 130, 150, 156, 160, 192, 195, 200, 208, 240, 250, 260, 300, 312, 320, 325, 375, 390, 400, 416, 480, 500, 520, 523, 600, 624, 625, 650, 750, 780, 800, 832, 960, 975, 1000, 1040, 1046, 1200, 1248, 1250, 1300, 1500, 1560, 1569, 1600, 1625, 1875, 1950, 2000, 2080, 2092, 2400, 2496, 2500, 2600, 2615, 3000, 3120, 3125, 3138, 3250, 3750, 3900, 4000, 4160, 4184, 4800, 4875, 5000, 5200, 5230, 6000, 6240, 6250, 6276, 6500, 6799, 7500, 7800, 7845, 8000, 8125, 8368, 9375, 9750, 10000, 10400, 10460, 12000, 12480, 12500, 12552, 13000, 13075, 13598, 15000, 15600, 15625, 15690, 16250, 16736, 18750, 19500, 20000, 20397, 20800, 20920, 24000, 24375, 25000, 25104, 26000, 26150, 27196, 30000, 31200, 31250, 31380, 32500, 33472, 33995, 37500, 39000, 39225, 40000, 40625, 40794, 41840, 46875, 48750, 50000, 50208, 52000, 52300, 54392, 60000, 62400, 62500, 62760, 65000, 65375, 67990, 75000, 78000, 78450, 81250, 81588, 83680, 93750, 97500, 100000, 100416, 101985, 104000, 104600, 108784, 120000, 121875, 125000, 125520, 130000, 130750, 135980, 150000, 156000, 156900, 162500, 163176, 167360, 169975, 187500, 195000, 196125, 200000, 203125, 203970, 209200, 217568, 243750, 250000, 251040, 260000, 261500, 271960, 300000, 312000, 313800, 325000, 326352, 326875, 339950, 375000, 390000, 392250, 406250, 407940, 418400, 435136, 487500, 500000, 502080, 509925, 520000, 523000, 543920, 600000, 609375, 627600, 650000, 652704, 653750, 679900, 750000, 780000, 784500, 812500, 815880, 836800, 849875, 975000, 980625, 1000000, 1019850, 1046000, 1087840, 1218750, 1255200, 1300000, 1305408, 1307500, 1359800, 1500000, 1560000, 1569000, 1625000, 1631760, 1634375, 1699750, 1950000, 1961250, 2039700, 2092000, 2175680, 2437500, 2510400, 2549625, 2600000, 2615000, 2719600, 3000000, 3138000, 3250000, 3263520, 3268750, 3399500, 3900000, 3922500, 4079400, 4184000, 4249375, 4875000, 4903125, 5099250, 5230000, 5439200, 6276000, 6500000, 6527040, 6537500, 6799000, 7800000, 7845000, 8158800, 8171875, 8498750, 9750000, 9806250, 10198500, 10460000, 10878400, 12552000, 12748125, 13000000, 13075000, 13598000, 15690000, 16317600, 16343750, 16997500, 19500000, 19612500, 20397000, 20920000, 21246875, 24515625, 25496250, 26150000, 27196000, 31380000, 32635200, 32687500, 33995000, 39000000, 39225000, 40794000, 42493750, 49031250, 50992500, 52300000, 54392000, 62760000, 63740625, 65375000, 67990000, 78450000, 81588000, 84987500, 98062500, 101985000, 104600000, 106234375, 127481250, 130750000, 135980000, 156900000, 163176000, 169975000, 196125000, 203970000, 212468750, 254962500, 261500000, 271960000, 313800000, 318703125, 339950000, 392250000, 407940000, 424937500, 509925000, 523000000, 637406250, 679900000, 784500000, 815880000, 849875000, 1019850000, 1274812500, 1359800000, 1569000000, 1699750000, 2039700000, 2549625000, 3399500000, 4079400000, 5099250000, 6799000000, 10198500000, 20397000000]

約数ペア:

[(1, 20397000000), (2, 10198500000), (3, 6799000000), (4, 5099250000), (5, 4079400000), (6, 3399500000), (8, 2549625000), (10, 2039700000), (12, 1699750000), (13, 1569000000), (15, 1359800000), (16, 1274812500), (20, 1019850000), (24, 849875000), (25, 815880000), (26, 784500000), (30, 679900000), (32, 637406250), (39, 523000000), (40, 509925000), (48, 424937500), (50, 407940000), (52, 392250000), (60, 339950000), (64, 318703125), (65, 313800000), (75, 271960000), (78, 261500000), (80, 254962500), (96, 212468750), (100, 203970000), (104, 196125000), (120, 169975000), (125, 163176000), (130, 156900000), (150, 135980000), (156, 130750000), (160, 127481250), (192, 106234375), (195, 104600000), (200, 101985000), (208, 98062500), (240, 84987500), (250, 81588000), (260, 78450000), (300, 67990000), (312, 65375000), (320, 63740625), (325, 62760000), (375, 54392000), (390, 52300000), (400, 50992500), (416, 49031250), (480, 42493750), (500, 40794000), (520, 39225000), (523, 39000000), (600, 33995000), (624, 32687500), (625, 32635200), (650, 31380000), (750, 27196000), (780, 26150000), (800, 25496250), (832, 24515625), (960, 21246875), (975, 20920000), (1000, 20397000), (1040, 19612500), (1046, 19500000), (1200, 16997500), (1248, 16343750), (1250, 16317600), (1300, 15690000), (1500, 13598000), (1560, 13075000), (1569, 13000000), (1600, 12748125), (1625, 12552000), (1875, 10878400), (1950, 10460000), (2000, 10198500), (2080, 9806250), (2092, 9750000), (2400, 8498750), (2496, 8171875), (2500, 8158800), (2600, 7845000), (2615, 7800000), (3000, 6799000), (3120, 6537500), (3125, 6527040), (3138, 6500000), (3250, 6276000), (3750, 5439200), (3900, 5230000), (4000, 5099250), (4160, 4903125), (4184, 4875000), (4800, 4249375), (4875, 4184000), (5000, 4079400), (5200, 3922500), (5230, 3900000), (6000, 3399500), (6240, 3268750), (6250, 3263520), (6276, 3250000), (6500, 3138000), (6799, 3000000), (7500, 2719600), (7800, 2615000), (7845, 2600000), (8000, 2549625), (8125, 2510400), (8368, 2437500), (9375, 2175680), (9750, 2092000), (10000, 2039700), (10400, 1961250), (10460, 1950000), (12000, 1699750), (12480, 1634375), (12500, 1631760), (12552, 1625000), (13000, 1569000), (13075, 1560000), (13598, 1500000), (15000, 1359800), (15600, 1307500), (15625, 1305408), (15690, 1300000), (16250, 1255200), (16736, 1218750), (18750, 1087840), (19500, 1046000), (20000, 1019850), (20397, 1000000), (20800, 980625), (20920, 975000), (24000, 849875), (24375, 836800), (25000, 815880), (25104, 812500), (26000, 784500), (26150, 780000), (27196, 750000), (30000, 679900), (31200, 653750), (31250, 652704), (31380, 650000), (32500, 627600), (33472, 609375), (33995, 600000), (37500, 543920), (39000, 523000), (39225, 520000), (40000, 509925), (40625, 502080), (40794, 500000), (41840, 487500), (46875, 435136), (48750, 418400), (50000, 407940), (50208, 406250), (52000, 392250), (52300, 390000), (54392, 375000), (60000, 339950), (62400, 326875), (62500, 326352), (62760, 325000), (65000, 313800), (65375, 312000), (67990, 300000), (75000, 271960), (78000, 261500), (78450, 260000), (81250, 251040), (81588, 250000), (83680, 243750), (93750, 217568), (97500, 209200), (100000, 203970), (100416, 203125), (101985, 200000), (104000, 196125), (104600, 195000), (108784, 187500), (120000, 169975), (121875, 167360), (125000, 163176), (125520, 162500), (130000, 156900), (130750, 156000), (135980, 150000)]