20737556

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12553}}^1$

素因数の和:12623

約数の個数: 24

約数和(自身を含む): 42181440

約数和(自身を除く): 21443884

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12553, 25106, 50212, 87871, 175742, 351484, 740627, 1481254, 2962508, 5184389, 10368778, 20737556]

約数ペア:

[(1, 20737556), (2, 10368778), (4, 5184389), (7, 2962508), (14, 1481254), (28, 740627), (59, 351484), (118, 175742), (236, 87871), (413, 50212), (826, 25106), (1652, 12553)]