20908371

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1301}}^1$

素因数の和:1802

約数の個数: 16

約数和(自身を含む): 30498048

約数和(自身を除く): 9589677

約数列:

[1, 3, 11, 33, 487, 1301, 1461, 3903, 5357, 14311, 16071, 42933, 633587, 1900761, 6969457, 20908371]

約数ペア:

[(1, 20908371), (3, 6969457), (11, 1900761), (33, 633587), (487, 42933), (1301, 16071), (1461, 14311), (3903, 5357)]