20293680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7687}}^1$

素因数の和:7714

約数の個数: 80

約数和(自身を含む): 68638464

約数和(自身を除く): 48344784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7687, 15374, 23061, 30748, 38435, 46122, 61496, 76870, 84557, 92244, 115305, 122992, 153740, 169114, 184488, 230610, 253671, 307480, 338228, 368976, 422785, 461220, 507342, 614960, 676456, 845570, 922440, 1014684, 1268355, 1352912, 1691140, 1844880, 2029368, 2536710, 3382280, 4058736, 5073420, 6764560, 10146840, 20293680]

約数ペア:

[(1, 20293680), (2, 10146840), (3, 6764560), (4, 5073420), (5, 4058736), (6, 3382280), (8, 2536710), (10, 2029368), (11, 1844880), (12, 1691140), (15, 1352912), (16, 1268355), (20, 1014684), (22, 922440), (24, 845570), (30, 676456), (33, 614960), (40, 507342), (44, 461220), (48, 422785), (55, 368976), (60, 338228), (66, 307480), (80, 253671), (88, 230610), (110, 184488), (120, 169114), (132, 153740), (165, 122992), (176, 115305), (220, 92244), (240, 84557), (264, 76870), (330, 61496), (440, 46122), (528, 38435), (660, 30748), (880, 23061), (1320, 15374), (2640, 7687)]