20217153

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1279}}^1$

素因数の和:1772

約数の個数: 16

約数和(自身を含む): 29491200

約数和(自身を除く): 9274047

約数列:

[1, 3, 11, 33, 479, 1279, 1437, 3837, 5269, 14069, 15807, 42207, 612641, 1837923, 6739051, 20217153]

約数ペア:

[(1, 20217153), (3, 6739051), (11, 1837923), (33, 612641), (479, 42207), (1279, 15807), (1437, 14069), (3837, 5269)]