20120123093

素因数分解:

$7^4\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:372

約数の個数: 60

約数和(自身を含む): 25100097120

約数和(自身を除く): 4979974027

約数列:

[1, 7, 19, 49, 133, 139, 167, 343, 361, 931, 973, 1169, 2401, 2527, 2641, 3173, 6517, 6811, 8183, 17689, 18487, 22211, 23213, 45619, 47677, 50179, 57281, 60287, 123823, 129409, 155477, 162491, 333739, 351253, 400967, 422009, 441047, 866761, 905863, 1088339, 1137437, 2458771, 2954063, 3087329, 6341041, 7618373, 7962059, 8379893, 17211397, 20678441, 21611303, 55734413, 58659251, 120479779, 144749087, 151279121, 410614757, 1058953847, 2874303299, 20120123093]

約数ペア:

[(1, 20120123093), (7, 2874303299), (19, 1058953847), (49, 410614757), (133, 151279121), (139, 144749087), (167, 120479779), (343, 58659251), (361, 55734413), (931, 21611303), (973, 20678441), (1169, 17211397), (2401, 8379893), (2527, 7962059), (2641, 7618373), (3173, 6341041), (6517, 3087329), (6811, 2954063), (8183, 2458771), (17689, 1137437), (18487, 1088339), (22211, 905863), (23213, 866761), (45619, 441047), (47677, 422009), (50179, 400967), (57281, 351253), (60287, 333739), (123823, 162491), (129409, 155477)]