20994232

素因数分解:

$2^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1609}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 45208800

約数和(自身を除く): 24214568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 233, 466, 932, 1609, 1631, 1864, 3218, 3262, 6436, 6524, 11263, 12872, 13048, 22526, 45052, 90104, 374897, 749794, 1499588, 2624279, 2999176, 5248558, 10497116, 20994232]

約数ペア:

[(1, 20994232), (2, 10497116), (4, 5248558), (7, 2999176), (8, 2624279), (14, 1499588), (28, 749794), (56, 374897), (233, 90104), (466, 45052), (932, 22526), (1609, 13048), (1631, 12872), (1864, 11263), (3218, 6524), (3262, 6436)]