20170140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2647}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 56942592

約数和(自身を除く): 36772452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2647, 3810, 5294, 7620, 7941, 10588, 13235, 15882, 26470, 31764, 39705, 52940, 79410, 158820, 336169, 672338, 1008507, 1344676, 1680845, 2017014, 3361690, 4034028, 5042535, 6723380, 10085070, 20170140]

約数ペア:

[(1, 20170140), (2, 10085070), (3, 6723380), (4, 5042535), (5, 4034028), (6, 3361690), (10, 2017014), (12, 1680845), (15, 1344676), (20, 1008507), (30, 672338), (60, 336169), (127, 158820), (254, 79410), (381, 52940), (508, 39705), (635, 31764), (762, 26470), (1270, 15882), (1524, 13235), (1905, 10588), (2540, 7941), (2647, 7620), (3810, 5294)]