20429829

素因数分解:

$3^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{677}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 33845760

約数和(自身を除く): 13415931

約数列:

[1, 3, 7, 9, 21, 63, 479, 677, 1437, 2031, 3353, 4311, 4739, 6093, 10059, 14217, 30177, 42651, 324283, 972849, 2269981, 2918547, 6809943, 20429829]

約数ペア:

[(1, 20429829), (3, 6809943), (7, 2918547), (9, 2269981), (21, 972849), (63, 324283), (479, 42651), (677, 30177), (1437, 14217), (2031, 10059), (3353, 6093), (4311, 4739)]