20854405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29167}}^1$

素因数の和:29196

約数の個数: 16

約数和(自身を含む): 29401344

約数和(自身を除く): 8546939

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29167, 145835, 320837, 379171, 1604185, 1895855, 4170881, 20854405]

約数ペア:

[(1, 20854405), (5, 4170881), (11, 1895855), (13, 1604185), (55, 379171), (65, 320837), (143, 145835), (715, 29167)]