20825388

素因数分解:

$2^2\times 3^2\times {\mathrm{578483}}^1$

素因数の和:578493

約数の個数: 18

約数和(自身を含む): 52642044

約数和(自身を除く): 31816656

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578483, 1156966, 1735449, 2313932, 3470898, 5206347, 6941796, 10412694, 20825388]

約数ペア:

[(1, 20825388), (2, 10412694), (3, 6941796), (4, 5206347), (6, 3470898), (9, 2313932), (12, 1735449), (18, 1156966), (36, 578483)]