22201820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 48837600

約数和(自身を除く): 26635780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 379, 404, 505, 580, 758, 1010, 1516, 1895, 2020, 2929, 3790, 5858, 7580, 10991, 11716, 14645, 21982, 29290, 38279, 43964, 54955, 58580, 76558, 109910, 153116, 191395, 219820, 382790, 765580, 1110091, 2220182, 4440364, 5550455, 11100910, 22201820]

約数ペア:

[(1, 22201820), (2, 11100910), (4, 5550455), (5, 4440364), (10, 2220182), (20, 1110091), (29, 765580), (58, 382790), (101, 219820), (116, 191395), (145, 153116), (202, 109910), (290, 76558), (379, 58580), (404, 54955), (505, 43964), (580, 38279), (758, 29290), (1010, 21982), (1516, 14645), (1895, 11716), (2020, 10991), (2929, 7580), (3790, 5858)]