20912328

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{2287}}^1$

素因数の和:2426

約数の個数: 48

約数和(自身を含む): 57108480

約数和(自身を除く): 36196152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2286, 2287, 3048, 4572, 4574, 6861, 9144, 9148, 13722, 18296, 20583, 27444, 41166, 54888, 82332, 164664, 290449, 580898, 871347, 1161796, 1742694, 2323592, 2614041, 3485388, 5228082, 6970776, 10456164, 20912328]

約数ペア:

[(1, 20912328), (2, 10456164), (3, 6970776), (4, 5228082), (6, 3485388), (8, 2614041), (9, 2323592), (12, 1742694), (18, 1161796), (24, 871347), (36, 580898), (72, 290449), (127, 164664), (254, 82332), (381, 54888), (508, 41166), (762, 27444), (1016, 20583), (1143, 18296), (1524, 13722), (2286, 9148), (2287, 9144), (3048, 6861), (4572, 4574)]