20812011

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1747}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 31967424

約数和(自身を除く): 11155413

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 1747, 3971, 5241, 11913, 19217, 33193, 57651, 99579, 365123, 630667, 1095369, 1892001, 6937337, 20812011]

約数ペア:

[(1, 20812011), (3, 6937337), (11, 1892001), (19, 1095369), (33, 630667), (57, 365123), (209, 99579), (361, 57651), (627, 33193), (1083, 19217), (1747, 11913), (3971, 5241)]