20986922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1831}}^1$

素因数の和:2365

約数の個数: 16

約数和(自身を含む): 34426944

約数和(自身を除く): 13440022

約数列:

[1, 2, 11, 22, 521, 1042, 1831, 3662, 5731, 11462, 20141, 40282, 953951, 1907902, 10493461, 20986922]

約数ペア:

[(1, 20986922), (2, 10493461), (11, 1907902), (22, 953951), (521, 40282), (1042, 20141), (1831, 11462), (3662, 5731)]