20620286

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11443}}^1$

素因数の和:11515

約数の個数: 16

約数和(自身を含む): 33370704

約数和(自身を除く): 12750418

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11443, 22886, 194531, 389062, 606479, 1212958, 10310143, 20620286]

約数ペア:

[(1, 20620286), (2, 10310143), (17, 1212958), (34, 606479), (53, 389062), (106, 194531), (901, 22886), (1802, 11443)]