20089987866

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{655379}}^1$

素因数の和:655531

約数の個数: 48

約数和(自身を含む): 47234547360

約数和(自身を除く): 27144559494

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 131, 234, 262, 393, 786, 1179, 1703, 2358, 3406, 5109, 10218, 15327, 30654, 655379, 1310758, 1966137, 3932274, 5898411, 8519927, 11796822, 17039854, 25559781, 51119562, 76679343, 85854649, 153358686, 171709298, 257563947, 515127894, 772691841, 1116110437, 1545383682, 2232220874, 3348331311, 6696662622, 10044993933, 20089987866]

約数ペア:

[(1, 20089987866), (2, 10044993933), (3, 6696662622), (6, 3348331311), (9, 2232220874), (13, 1545383682), (18, 1116110437), (26, 772691841), (39, 515127894), (78, 257563947), (117, 171709298), (131, 153358686), (234, 85854649), (262, 76679343), (393, 51119562), (786, 25559781), (1179, 17039854), (1703, 11796822), (2358, 8519927), (3406, 5898411), (5109, 3932274), (10218, 1966137), (15327, 1310758), (30654, 655379)]