20957892982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1\times {\mathrm{501601}}^1$

素因数の和:503223

約数の個数: 16

約数和(自身を含む): 33876192672

約数和(自身を除く): 12918299690

約数列:

[1, 2, 13, 26, 1607, 3214, 20891, 41782, 501601, 1003202, 6520813, 13041626, 806072807, 1612145614, 10478946491, 20957892982]

約数ペア:

[(1, 20957892982), (2, 10478946491), (13, 1612145614), (26, 806072807), (1607, 13041626), (3214, 6520813), (20891, 1003202), (41782, 501601)]