20512800931

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{397127}}^1$

素因数の和:397338

約数の個数: 16

約数和(自身を含む): 24094550016

約数和(自身を除く): 3581749085

約数列:

[1, 7, 47, 157, 329, 1099, 7379, 51653, 397127, 2779889, 18664969, 62348939, 130654783, 436442573, 2930400133, 20512800931]

約数ペア:

[(1, 20512800931), (7, 2930400133), (47, 436442573), (157, 130654783), (329, 62348939), (1099, 18664969), (7379, 2779889), (51653, 397127)]