20520566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11807}}^1$

素因数の和:11899

約数の個数: 16

約数和(自身を含む): 34007040

約数和(自身を除く): 13486474

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 11807, 23614, 129877, 259754, 932753, 1865506, 10260283, 20520566]

約数ペア:

[(1, 20520566), (2, 10260283), (11, 1865506), (22, 932753), (79, 259754), (158, 129877), (869, 23614), (1738, 11807)]