20127772

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1601}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 40370400

約数和(自身を除く): 20242628

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1601, 1796, 3143, 3202, 6286, 6404, 11207, 12572, 22414, 44828, 718849, 1437698, 2875396, 5031943, 10063886, 20127772]

約数ペア:

[(1, 20127772), (2, 10063886), (4, 5031943), (7, 2875396), (14, 1437698), (28, 718849), (449, 44828), (898, 22414), (1601, 12572), (1796, 11207), (3143, 6404), (3202, 6286)]