20808515578

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1\times {\mathrm{7621}}^1$

素因数の和:8638

約数の個数: 32

約数和(自身を含む): 32944601088

約数和(自身を除く): 12136085510

約数列:

[1, 2, 31, 47, 62, 94, 937, 1457, 1874, 2914, 7621, 15242, 29047, 44039, 58094, 88078, 236251, 358187, 472502, 716374, 1365209, 2730418, 7140877, 11103797, 14281754, 22207594, 221367187, 335621219, 442734374, 671242438, 10404257789, 20808515578]

約数ペア:

[(1, 20808515578), (2, 10404257789), (31, 671242438), (47, 442734374), (62, 335621219), (94, 221367187), (937, 22207594), (1457, 14281754), (1874, 11103797), (2914, 7140877), (7621, 2730418), (15242, 1365209), (29047, 716374), (44039, 472502), (58094, 358187), (88078, 236251)]