20680583

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 25885440

約数和(自身を除く): 5204857

約数列:

[1, 7, 11, 77, 419, 641, 2933, 4487, 4609, 7051, 32263, 49357, 268579, 1880053, 2954369, 20680583]

約数ペア:

[(1, 20680583), (7, 2954369), (11, 1880053), (77, 268579), (419, 49357), (641, 32263), (2933, 7051), (4487, 4609)]