201399020

素因数分解:

$2^2\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{9491}}^1$

素因数の和:10561

約数の個数: 24

約数和(自身を含む): 423381168

約数和(自身を除く): 221982148

約数列:

[1, 2, 4, 5, 10, 20, 1061, 2122, 4244, 5305, 9491, 10610, 18982, 21220, 37964, 47455, 94910, 189820, 10069951, 20139902, 40279804, 50349755, 100699510, 201399020]

約数ペア:

[(1, 201399020), (2, 100699510), (4, 50349755), (5, 40279804), (10, 20139902), (20, 10069951), (1061, 189820), (2122, 94910), (4244, 47455), (5305, 37964), (9491, 21220), (10610, 18982)]