20729846

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{2503}}^1$

素因数の和:2647

約数の個数: 16

約数和(自身を含む): 32181408

約数和(自身を除く): 11451562

約数列:

[1, 2, 41, 82, 101, 202, 2503, 4141, 5006, 8282, 102623, 205246, 252803, 505606, 10364923, 20729846]

約数ペア:

[(1, 20729846), (2, 10364923), (41, 505606), (82, 252803), (101, 205246), (202, 102623), (2503, 8282), (4141, 5006)]