20357953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{631}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 25482240

約数和(自身を除く): 5124287

約数列:

[1, 7, 11, 77, 419, 631, 2933, 4417, 4609, 6941, 32263, 48587, 264389, 1850723, 2908279, 20357953]

約数ペア:

[(1, 20357953), (7, 2908279), (11, 1850723), (77, 264389), (419, 48587), (631, 32263), (2933, 6941), (4417, 4609)]