20965010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190591}}^1$

素因数の和:190609

約数の個数: 16

約数和(自身を含む): 41167872

約数和(自身を除く): 20202862

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190591, 381182, 952955, 1905910, 2096501, 4193002, 10482505, 20965010]

約数ペア:

[(1, 20965010), (2, 10482505), (5, 4193002), (10, 2096501), (11, 1905910), (22, 952955), (55, 381182), (110, 190591)]