20226340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 24790940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 811, 860, 1247, 1622, 2494, 3244, 4055, 4988, 6235, 8110, 12470, 16220, 23519, 24940, 34873, 47038, 69746, 94076, 117595, 139492, 174365, 235190, 348730, 470380, 697460, 1011317, 2022634, 4045268, 5056585, 10113170, 20226340]

約数ペア:

[(1, 20226340), (2, 10113170), (4, 5056585), (5, 4045268), (10, 2022634), (20, 1011317), (29, 697460), (43, 470380), (58, 348730), (86, 235190), (116, 174365), (145, 139492), (172, 117595), (215, 94076), (290, 69746), (430, 47038), (580, 34873), (811, 24940), (860, 23519), (1247, 16220), (1622, 12470), (2494, 8110), (3244, 6235), (4055, 4988)]