20158820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91631}}^1$

素因数の和:91651

約数の個数: 24

約数和(自身を含む): 46182528

約数和(自身を除く): 26023708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91631, 183262, 366524, 458155, 916310, 1007941, 1832620, 2015882, 4031764, 5039705, 10079410, 20158820]

約数ペア:

[(1, 20158820), (2, 10079410), (4, 5039705), (5, 4031764), (10, 2015882), (11, 1832620), (20, 1007941), (22, 916310), (44, 458155), (55, 366524), (110, 183262), (220, 91631)]