20716355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2081}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 27282528

約数和(自身を除く): 6566173

約数列:

[1, 5, 11, 55, 181, 905, 1991, 2081, 9955, 10405, 22891, 114455, 376661, 1883305, 4143271, 20716355]

約数ペア:

[(1, 20716355), (5, 4143271), (11, 1883305), (55, 376661), (181, 114455), (905, 22891), (1991, 10405), (2081, 9955)]