42243620

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1987}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 88839744

約数和(自身を除く): 46596124

約数列:

[1, 2, 4, 5, 10, 20, 1063, 1987, 2126, 3974, 4252, 5315, 7948, 9935, 10630, 19870, 21260, 39740, 2112181, 4224362, 8448724, 10560905, 21121810, 42243620]

約数ペア:

[(1, 42243620), (2, 21121810), (4, 10560905), (5, 8448724), (10, 4224362), (20, 2112181), (1063, 39740), (1987, 21260), (2126, 19870), (3974, 10630), (4252, 9935), (5315, 7948)]