20516088

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^2$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 52672680

約数和(自身を除く): 32156592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 127, 159, 212, 254, 318, 381, 424, 508, 636, 762, 1016, 1272, 1524, 3048, 6731, 13462, 16129, 20193, 26924, 32258, 40386, 48387, 53848, 64516, 80772, 96774, 129032, 161544, 193548, 387096, 854837, 1709674, 2564511, 3419348, 5129022, 6838696, 10258044, 20516088]

約数ペア:

[(1, 20516088), (2, 10258044), (3, 6838696), (4, 5129022), (6, 3419348), (8, 2564511), (12, 1709674), (24, 854837), (53, 387096), (106, 193548), (127, 161544), (159, 129032), (212, 96774), (254, 80772), (318, 64516), (381, 53848), (424, 48387), (508, 40386), (636, 32258), (762, 26924), (1016, 20193), (1272, 16129), (1524, 13462), (3048, 6731)]