20859835390

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1\times {\mathrm{11551}}^1$

素因数の和:12408

約数の個数: 32

約数和(自身を含む): 37727907840

約数和(自身を除く): 16868072450

約数列:

[1, 2, 5, 10, 419, 431, 838, 862, 2095, 2155, 4190, 4310, 11551, 23102, 57755, 115510, 180589, 361178, 902945, 1805890, 4839869, 4978481, 9679738, 9956962, 24199345, 24892405, 48398690, 49784810, 2085983539, 4171967078, 10429917695, 20859835390]

約数ペア:

[(1, 20859835390), (2, 10429917695), (5, 4171967078), (10, 2085983539), (419, 49784810), (431, 48398690), (838, 24892405), (862, 24199345), (2095, 9956962), (2155, 9679738), (4190, 4978481), (4310, 4839869), (11551, 1805890), (23102, 902945), (57755, 361178), (115510, 180589)]