20441768259

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2729}}^1$

素因数の和:2976

約数の個数: 64

約数和(自身を含む): 31701196800

約数和(自身を除く): 11259428541

約数列:

[1, 3, 11, 23, 33, 69, 71, 139, 213, 253, 417, 759, 781, 1529, 1633, 2343, 2729, 3197, 4587, 4899, 8187, 9591, 9869, 17963, 29607, 30019, 35167, 53889, 62767, 90057, 105501, 108559, 188301, 193759, 226987, 325677, 379331, 581277, 680961, 690437, 1137993, 2071311, 2131349, 2496857, 4172641, 4456457, 6394047, 7490571, 8724613, 12517923, 13369371, 26173839, 26932501, 49021027, 80797503, 95970743, 147063081, 287912229, 296257511, 619447523, 888772533, 1858342569, 6813922753, 20441768259]

約数ペア:

[(1, 20441768259), (3, 6813922753), (11, 1858342569), (23, 888772533), (33, 619447523), (69, 296257511), (71, 287912229), (139, 147063081), (213, 95970743), (253, 80797503), (417, 49021027), (759, 26932501), (781, 26173839), (1529, 13369371), (1633, 12517923), (2343, 8724613), (2729, 7490571), (3197, 6394047), (4587, 4456457), (4899, 4172641), (8187, 2496857), (9591, 2131349), (9869, 2071311), (17963, 1137993), (29607, 690437), (30019, 680961), (35167, 581277), (53889, 379331), (62767, 325677), (90057, 226987), (105501, 193759), (108559, 188301)]