20851046

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1159

約数の個数: 16

約数和(自身を含む): 31909680

約数和(自身を除く): 11058634

約数列:

[1, 2, 101, 109, 202, 218, 947, 1894, 11009, 22018, 95647, 103223, 191294, 206446, 10425523, 20851046]

約数ペア:

[(1, 20851046), (2, 10425523), (101, 206446), (109, 191294), (202, 103223), (218, 95647), (947, 22018), (1894, 11009)]