20524218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1307

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30278982

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 209, 247, 286, 418, 429, 494, 627, 741, 858, 1254, 1259, 1482, 2518, 2717, 3777, 5434, 7554, 8151, 13849, 16302, 16367, 23921, 27698, 32734, 41547, 47842, 49101, 71763, 83094, 98202, 143526, 180037, 263131, 310973, 360074, 526262, 540111, 621946, 789393, 932919, 1080222, 1578786, 1865838, 3420703, 6841406, 10262109, 20524218]

約数ペア:

[(1, 20524218), (2, 10262109), (3, 6841406), (6, 3420703), (11, 1865838), (13, 1578786), (19, 1080222), (22, 932919), (26, 789393), (33, 621946), (38, 540111), (39, 526262), (57, 360074), (66, 310973), (78, 263131), (114, 180037), (143, 143526), (209, 98202), (247, 83094), (286, 71763), (418, 49101), (429, 47842), (494, 41547), (627, 32734), (741, 27698), (858, 23921), (1254, 16367), (1259, 16302), (1482, 13849), (2518, 8151), (2717, 7554), (3777, 5434)]