20013838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11489}}^1$

素因数の和:11571

約数の個数: 16

約数和(自身を含む): 32815440

約数和(自身を除く): 12801602

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11489, 22978, 149357, 298714, 769763, 1539526, 10006919, 20013838]

約数ペア:

[(1, 20013838), (2, 10006919), (13, 1539526), (26, 769763), (67, 298714), (134, 149357), (871, 22978), (1742, 11489)]