203939740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{248707}}^1$

素因数の和:248757

約数の個数: 24

約数和(自身を含む): 438720912

約数和(自身を除く): 234781172

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 248707, 497414, 994828, 1243535, 2487070, 4974140, 10196987, 20393974, 40787948, 50984935, 101969870, 203939740]

約数ペア:

[(1, 203939740), (2, 101969870), (4, 50984935), (5, 40787948), (10, 20393974), (20, 10196987), (41, 4974140), (82, 2487070), (164, 1243535), (205, 994828), (410, 497414), (820, 248707)]