20629672

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12703}}^1$

素因数の和:12745

約数の個数: 32

約数和(自身を含む): 45734400

約数和(自身を除く): 25104728

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12703, 25406, 50812, 88921, 101624, 177842, 355684, 368387, 711368, 736774, 1473548, 2578709, 2947096, 5157418, 10314836, 20629672]

約数ペア:

[(1, 20629672), (2, 10314836), (4, 5157418), (7, 2947096), (8, 2578709), (14, 1473548), (28, 736774), (29, 711368), (56, 368387), (58, 355684), (116, 177842), (203, 101624), (232, 88921), (406, 50812), (812, 25406), (1624, 12703)]