20995716

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5101}}^1$

素因数の和:5129

約数の個数: 48

約数和(自身を含む): 57142400

約数和(自身を除く): 36146684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5101, 10202, 15303, 20404, 30606, 35707, 61212, 71414, 107121, 142828, 214242, 249949, 428484, 499898, 749847, 999796, 1499694, 1749643, 2999388, 3499286, 5248929, 6998572, 10497858, 20995716]

約数ペア:

[(1, 20995716), (2, 10497858), (3, 6998572), (4, 5248929), (6, 3499286), (7, 2999388), (12, 1749643), (14, 1499694), (21, 999796), (28, 749847), (42, 499898), (49, 428484), (84, 249949), (98, 214242), (147, 142828), (196, 107121), (294, 71414), (343, 61212), (588, 35707), (686, 30606), (1029, 20404), (1372, 15303), (2058, 10202), (4116, 5101)]