20780515088

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{1811}}^1\times {\mathrm{31181}}^1$

素因数の和:33023

約数の個数: 40

約数和(自身を含む): 42037327296

約数和(自身を除く): 21256812208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 1811, 3622, 7244, 14488, 28976, 31181, 41653, 62362, 83306, 124724, 166612, 249448, 333224, 498896, 666448, 717163, 1434326, 2868652, 5737304, 11474608, 56468791, 112937582, 225875164, 451750328, 903500656, 1298782193, 2597564386, 5195128772, 10390257544, 20780515088]

約数ペア:

[(1, 20780515088), (2, 10390257544), (4, 5195128772), (8, 2597564386), (16, 1298782193), (23, 903500656), (46, 451750328), (92, 225875164), (184, 112937582), (368, 56468791), (1811, 11474608), (3622, 5737304), (7244, 2868652), (14488, 1434326), (28976, 717163), (31181, 666448), (41653, 498896), (62362, 333224), (83306, 249448), (124724, 166612)]