20838414

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 25610226

約数列:

[1, 2, 3, 6, 23, 29, 41, 46, 58, 69, 82, 87, 123, 127, 138, 174, 246, 254, 381, 667, 762, 943, 1189, 1334, 1886, 2001, 2378, 2829, 2921, 3567, 3683, 4002, 5207, 5658, 5842, 7134, 7366, 8763, 10414, 11049, 15621, 17526, 22098, 27347, 31242, 54694, 82041, 84709, 119761, 151003, 164082, 169418, 239522, 254127, 302006, 359283, 453009, 508254, 718566, 906018, 3473069, 6946138, 10419207, 20838414]

約数ペア:

[(1, 20838414), (2, 10419207), (3, 6946138), (6, 3473069), (23, 906018), (29, 718566), (41, 508254), (46, 453009), (58, 359283), (69, 302006), (82, 254127), (87, 239522), (123, 169418), (127, 164082), (138, 151003), (174, 119761), (246, 84709), (254, 82041), (381, 54694), (667, 31242), (762, 27347), (943, 22098), (1189, 17526), (1334, 15621), (1886, 11049), (2001, 10414), (2378, 8763), (2829, 7366), (2921, 7134), (3567, 5842), (3683, 5658), (4002, 5207)]