20715750

素因数分解:

$2^1\times 3^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 192

約数和(自身を含む): 65415168

約数和(自身を除く): 44699418

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 31, 33, 45, 50, 54, 55, 62, 66, 75, 81, 90, 93, 99, 110, 125, 135, 150, 155, 162, 165, 186, 198, 225, 243, 250, 270, 275, 279, 297, 310, 330, 341, 375, 405, 450, 465, 486, 495, 550, 558, 594, 675, 682, 750, 775, 810, 825, 837, 891, 930, 990, 1023, 1125, 1215, 1350, 1375, 1395, 1485, 1550, 1650, 1674, 1705, 1782, 2025, 2046, 2250, 2325, 2430, 2475, 2511, 2673, 2750, 2790, 2970, 3069, 3375, 3410, 3875, 4050, 4125, 4185, 4455, 4650, 4950, 5022, 5115, 5346, 6075, 6138, 6750, 6975, 7425, 7533, 7750, 8250, 8370, 8525, 8910, 9207, 10125, 10230, 11625, 12150, 12375, 12555, 13365, 13950, 14850, 15066, 15345, 17050, 18414, 20250, 20925, 22275, 23250, 24750, 25110, 25575, 26730, 27621, 30375, 30690, 34875, 37125, 37665, 41850, 42625, 44550, 46035, 51150, 55242, 60750, 62775, 66825, 69750, 74250, 75330, 76725, 82863, 85250, 92070, 104625, 111375, 125550, 127875, 133650, 138105, 153450, 165726, 188325, 209250, 222750, 230175, 255750, 276210, 313875, 334125, 376650, 383625, 414315, 460350, 627750, 668250, 690525, 767250, 828630, 941625, 1150875, 1381050, 1883250, 2071575, 2301750, 3452625, 4143150, 6905250, 10357875, 20715750]

約数ペア:

[(1, 20715750), (2, 10357875), (3, 6905250), (5, 4143150), (6, 3452625), (9, 2301750), (10, 2071575), (11, 1883250), (15, 1381050), (18, 1150875), (22, 941625), (25, 828630), (27, 767250), (30, 690525), (31, 668250), (33, 627750), (45, 460350), (50, 414315), (54, 383625), (55, 376650), (62, 334125), (66, 313875), (75, 276210), (81, 255750), (90, 230175), (93, 222750), (99, 209250), (110, 188325), (125, 165726), (135, 153450), (150, 138105), (155, 133650), (162, 127875), (165, 125550), (186, 111375), (198, 104625), (225, 92070), (243, 85250), (250, 82863), (270, 76725), (275, 75330), (279, 74250), (297, 69750), (310, 66825), (330, 62775), (341, 60750), (375, 55242), (405, 51150), (450, 46035), (465, 44550), (486, 42625), (495, 41850), (550, 37665), (558, 37125), (594, 34875), (675, 30690), (682, 30375), (750, 27621), (775, 26730), (810, 25575), (825, 25110), (837, 24750), (891, 23250), (930, 22275), (990, 20925), (1023, 20250), (1125, 18414), (1215, 17050), (1350, 15345), (1375, 15066), (1395, 14850), (1485, 13950), (1550, 13365), (1650, 12555), (1674, 12375), (1705, 12150), (1782, 11625), (2025, 10230), (2046, 10125), (2250, 9207), (2325, 8910), (2430, 8525), (2475, 8370), (2511, 8250), (2673, 7750), (2750, 7533), (2790, 7425), (2970, 6975), (3069, 6750), (3375, 6138), (3410, 6075), (3875, 5346), (4050, 5115), (4125, 5022), (4185, 4950), (4455, 4650)]