15618020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70991}}^1$

素因数の和:71011

約数の個数: 24

約数和(自身を含む): 35779968

約数和(自身を除く): 20161948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 70991, 141982, 283964, 354955, 709910, 780901, 1419820, 1561802, 3123604, 3904505, 7809010, 15618020]

約数ペア:

[(1, 15618020), (2, 7809010), (4, 3904505), (5, 3123604), (10, 1561802), (11, 1419820), (20, 780901), (22, 709910), (44, 354955), (55, 283964), (110, 141982), (220, 70991)]