2009061820

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{476081}}^1$

素因数の和:476301

約数の個数: 24

約数和(自身を含む): 4239034128

約数和(自身を除く): 2229972308

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 476081, 952162, 1904324, 2380405, 4760810, 9521620, 100453091, 200906182, 401812364, 502265455, 1004530910, 2009061820]

約数ペア:

[(1, 2009061820), (2, 1004530910), (4, 502265455), (5, 401812364), (10, 200906182), (20, 100453091), (211, 9521620), (422, 4760810), (844, 2380405), (1055, 1904324), (2110, 952162), (4220, 476081)]