20123658865

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{108803}}^1$

素因数の和:109400

約数の個数: 16

約数和(自身を含む): 24535737216

約数和(自身を除く): 4412078351

約数列:

[1, 5, 71, 355, 521, 2605, 36991, 108803, 184955, 544015, 7725013, 38625065, 56686363, 283431815, 4024731773, 20123658865]

約数ペア:

[(1, 20123658865), (5, 4024731773), (71, 283431815), (355, 56686363), (521, 38625065), (2605, 7725013), (36991, 544015), (108803, 184955)]