20200800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:485

約数の個数: 144

約数和(自身を含む): 69370560

約数和(自身を除く): 49169760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 96, 100, 114, 120, 150, 152, 160, 190, 200, 228, 240, 285, 300, 304, 380, 400, 443, 456, 475, 480, 570, 600, 608, 760, 800, 886, 912, 950, 1140, 1200, 1329, 1425, 1520, 1772, 1824, 1900, 2215, 2280, 2400, 2658, 2850, 3040, 3544, 3800, 4430, 4560, 5316, 5700, 6645, 7088, 7600, 8417, 8860, 9120, 10632, 11075, 11400, 13290, 14176, 15200, 16834, 17720, 21264, 22150, 22800, 25251, 26580, 33225, 33668, 35440, 42085, 42528, 44300, 45600, 50502, 53160, 66450, 67336, 70880, 84170, 88600, 101004, 106320, 126255, 132900, 134672, 168340, 177200, 202008, 210425, 212640, 252510, 265800, 269344, 336680, 354400, 404016, 420850, 505020, 531600, 631275, 673360, 808032, 841700, 1010040, 1063200, 1262550, 1346720, 1683400, 2020080, 2525100, 3366800, 4040160, 5050200, 6733600, 10100400, 20200800]

約数ペア:

[(1, 20200800), (2, 10100400), (3, 6733600), (4, 5050200), (5, 4040160), (6, 3366800), (8, 2525100), (10, 2020080), (12, 1683400), (15, 1346720), (16, 1262550), (19, 1063200), (20, 1010040), (24, 841700), (25, 808032), (30, 673360), (32, 631275), (38, 531600), (40, 505020), (48, 420850), (50, 404016), (57, 354400), (60, 336680), (75, 269344), (76, 265800), (80, 252510), (95, 212640), (96, 210425), (100, 202008), (114, 177200), (120, 168340), (150, 134672), (152, 132900), (160, 126255), (190, 106320), (200, 101004), (228, 88600), (240, 84170), (285, 70880), (300, 67336), (304, 66450), (380, 53160), (400, 50502), (443, 45600), (456, 44300), (475, 42528), (480, 42085), (570, 35440), (600, 33668), (608, 33225), (760, 26580), (800, 25251), (886, 22800), (912, 22150), (950, 21264), (1140, 17720), (1200, 16834), (1329, 15200), (1425, 14176), (1520, 13290), (1772, 11400), (1824, 11075), (1900, 10632), (2215, 9120), (2280, 8860), (2400, 8417), (2658, 7600), (2850, 7088), (3040, 6645), (3544, 5700), (3800, 5316), (4430, 4560)]