15156020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68891}}^1$

素因数の和:68911

約数の個数: 24

約数和(自身を含む): 34721568

約数和(自身を除く): 19565548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 68891, 137782, 275564, 344455, 688910, 757801, 1377820, 1515602, 3031204, 3789005, 7578010, 15156020]

約数ペア:

[(1, 15156020), (2, 7578010), (4, 3789005), (5, 3031204), (10, 1515602), (11, 1377820), (20, 757801), (22, 688910), (44, 344455), (55, 275564), (110, 137782), (220, 68891)]