20901653

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 23497920

約数和(自身を除く): 2596267

約数列:

[1, 17, 19, 163, 323, 397, 2771, 3097, 6749, 7543, 52649, 64711, 128231, 1100087, 1229509, 20901653]

約数ペア:

[(1, 20901653), (17, 1229509), (19, 1100087), (163, 128231), (323, 64711), (397, 52649), (2771, 7543), (3097, 6749)]