20145620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91571}}^1$

素因数の和:91591

約数の個数: 24

約数和(自身を含む): 46152288

約数和(自身を除く): 26006668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91571, 183142, 366284, 457855, 915710, 1007281, 1831420, 2014562, 4029124, 5036405, 10072810, 20145620]

約数ペア:

[(1, 20145620), (2, 10072810), (4, 5036405), (5, 4029124), (10, 2014562), (11, 1831420), (20, 1007281), (22, 915710), (44, 457855), (55, 366284), (110, 183142), (220, 91571)]