20112478850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{18217}}^1$

素因数の和:18611

約数の個数: 48

約数和(自身を含む): 38060171136

約数和(自身を除く): 17947692286

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 311, 355, 622, 710, 1555, 1775, 3110, 3550, 7775, 15550, 18217, 22081, 36434, 44162, 91085, 110405, 182170, 220810, 455425, 552025, 910850, 1104050, 1293407, 2586814, 5665487, 6467035, 11330974, 12934070, 28327435, 32335175, 56654870, 64670350, 141637175, 283274350, 402249577, 804499154, 2011247885, 4022495770, 10056239425, 20112478850]

約数ペア:

[(1, 20112478850), (2, 10056239425), (5, 4022495770), (10, 2011247885), (25, 804499154), (50, 402249577), (71, 283274350), (142, 141637175), (311, 64670350), (355, 56654870), (622, 32335175), (710, 28327435), (1555, 12934070), (1775, 11330974), (3110, 6467035), (3550, 5665487), (7775, 2586814), (15550, 1293407), (18217, 1104050), (22081, 910850), (36434, 552025), (44162, 455425), (91085, 220810), (110405, 182170)]