20517505910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{266081}}^1$

素因数の和:266800

約数の個数: 32

約数和(自身を含む): 40346545824

約数和(自身を除く): 19829039914

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 701, 1402, 3505, 7010, 7711, 15422, 38555, 77110, 266081, 532162, 1330405, 2660810, 2926891, 5853782, 14634455, 29268910, 186522781, 373045562, 932613905, 1865227810, 2051750591, 4103501182, 10258752955, 20517505910]

約数ペア:

[(1, 20517505910), (2, 10258752955), (5, 4103501182), (10, 2051750591), (11, 1865227810), (22, 932613905), (55, 373045562), (110, 186522781), (701, 29268910), (1402, 14634455), (3505, 5853782), (7010, 2926891), (7711, 2660810), (15422, 1330405), (38555, 532162), (77110, 266081)]