27720820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44711}}^1$

素因数の和:44751

約数の個数: 24

約数和(自身を含む): 60092928

約数和(自身を除く): 32372108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 44711, 89422, 178844, 223555, 447110, 894220, 1386041, 2772082, 5544164, 6930205, 13860410, 27720820]

約数ペア:

[(1, 27720820), (2, 13860410), (4, 6930205), (5, 5544164), (10, 2772082), (20, 1386041), (31, 894220), (62, 447110), (124, 223555), (155, 178844), (310, 89422), (620, 44711)]