20951879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1106

約数の個数: 16

約数和(自身を含む): 23735712

約数和(自身を除く): 2783833

約数列:

[1, 13, 37, 43, 481, 559, 1013, 1591, 13169, 20683, 37481, 43559, 487253, 566267, 1611683, 20951879]

約数ペア:

[(1, 20951879), (13, 1611683), (37, 566267), (43, 487253), (481, 43559), (559, 37481), (1013, 20683), (1591, 13169)]