20281774

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:675

約数の個数: 16

約数和(自身を含む): 30859920

約数和(自身を除く): 10578146

約数列:

[1, 2, 179, 181, 313, 358, 362, 626, 32399, 56027, 56653, 64798, 112054, 113306, 10140887, 20281774]

約数ペア:

[(1, 20281774), (2, 10140887), (179, 113306), (181, 112054), (313, 64798), (358, 56653), (362, 56027), (626, 32399)]