20984986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2657}}^1$

素因数の和:3029

約数の個数: 16

約数和(自身を含む): 34447680

約数和(自身を除く): 13462694

約数列:

[1, 2, 11, 22, 359, 718, 2657, 3949, 5314, 7898, 29227, 58454, 953863, 1907726, 10492493, 20984986]

約数ペア:

[(1, 20984986), (2, 10492493), (11, 1907726), (22, 953863), (359, 58454), (718, 29227), (2657, 7898), (3949, 5314)]