20371120575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{859}}^1\times {\mathrm{1871}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 36532304640

約数和(自身を除く): 16161184065

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 859, 975, 1871, 2535, 2577, 4225, 4295, 5613, 9355, 11167, 12675, 12885, 21475, 24323, 28065, 33501, 46775, 55835, 64425, 72969, 121615, 140325, 145171, 167505, 279175, 316199, 364845, 435513, 608075, 725855, 837525, 948597, 1580995, 1607189, 1824225, 2177565, 3629275, 4742985, 4821567, 7904975, 8035945, 10887825, 20893457, 23714925, 24107835, 40179725, 62680371, 104467285, 120539175, 271614941, 313401855, 522336425, 814844823, 1358074705, 1567009275, 4074224115, 6790373525, 20371120575]

約数ペア:

[(1, 20371120575), (3, 6790373525), (5, 4074224115), (13, 1567009275), (15, 1358074705), (25, 814844823), (39, 522336425), (65, 313401855), (75, 271614941), (169, 120539175), (195, 104467285), (325, 62680371), (507, 40179725), (845, 24107835), (859, 23714925), (975, 20893457), (1871, 10887825), (2535, 8035945), (2577, 7904975), (4225, 4821567), (4295, 4742985), (5613, 3629275), (9355, 2177565), (11167, 1824225), (12675, 1607189), (12885, 1580995), (21475, 948597), (24323, 837525), (28065, 725855), (33501, 608075), (46775, 435513), (55835, 364845), (64425, 316199), (72969, 279175), (121615, 167505), (140325, 145171)]