20152893999

素因数分解:

$3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{823}}^1$

素因数の和:1349

約数の個数: 64

約数和(自身を含む): 32037120000

約数和(自身を除く): 11884226001

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 343, 371, 449, 823, 1029, 1113, 1347, 2469, 2597, 3143, 5761, 7791, 9429, 17283, 18179, 22001, 23797, 40327, 43619, 54537, 66003, 71391, 120981, 130857, 154007, 166579, 282289, 305333, 369527, 462021, 499737, 846867, 915999, 1108581, 1166053, 2137331, 2586689, 3498159, 6411993, 7760067, 8162371, 14961317, 18106823, 19584931, 24487113, 44883951, 54320469, 58754793, 126747761, 137094517, 380243283, 411283551, 959661619, 2878984857, 6717631333, 20152893999]

約数ペア:

[(1, 20152893999), (3, 6717631333), (7, 2878984857), (21, 959661619), (49, 411283551), (53, 380243283), (147, 137094517), (159, 126747761), (343, 58754793), (371, 54320469), (449, 44883951), (823, 24487113), (1029, 19584931), (1113, 18106823), (1347, 14961317), (2469, 8162371), (2597, 7760067), (3143, 6411993), (5761, 3498159), (7791, 2586689), (9429, 2137331), (17283, 1166053), (18179, 1108581), (22001, 915999), (23797, 846867), (40327, 499737), (43619, 462021), (54537, 369527), (66003, 305333), (71391, 282289), (120981, 166579), (130857, 154007)]