20173987678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5582177}}^1$

素因数の和:5582331

約数の個数: 16

約数和(自身を含む): 32823206640

約数和(自身を除く): 12649218962

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5582177, 11164354, 72568301, 145136602, 775922603, 1551845206, 10086993839, 20173987678]

約数ペア:

[(1, 20173987678), (2, 10086993839), (13, 1551845206), (26, 775922603), (139, 145136602), (278, 72568301), (1807, 11164354), (3614, 5582177)]