4376020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19891}}^1$

素因数の和:19911

約数の個数: 24

約数和(自身を含む): 10025568

約数和(自身を除く): 5649548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19891, 39782, 79564, 99455, 198910, 218801, 397820, 437602, 875204, 1094005, 2188010, 4376020]

約数ペア:

[(1, 4376020), (2, 2188010), (4, 1094005), (5, 875204), (10, 437602), (11, 397820), (20, 218801), (22, 198910), (44, 99455), (55, 79564), (110, 39782), (220, 19891)]