20218894085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1908343}}^1$

素因数の和:1908524

約数の個数: 16

約数和(自身を含む): 26289346944

約数和(自身を除く): 6070452859

約数列:

[1, 5, 13, 65, 163, 815, 2119, 10595, 1908343, 9541715, 24808459, 124042295, 311059909, 1555299545, 4043778817, 20218894085]

約数ペア:

[(1, 20218894085), (5, 4043778817), (13, 1555299545), (65, 311059909), (163, 124042295), (815, 24808459), (2119, 9541715), (10595, 1908343)]