20590851

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 30638080

約数和(自身を除く): 10047229

約数列:

[1, 3, 19, 31, 43, 57, 93, 129, 271, 589, 813, 817, 1333, 1767, 2451, 3999, 5149, 8401, 11653, 15447, 25203, 25327, 34959, 75981, 159619, 221407, 361243, 478857, 664221, 1083729, 6863617, 20590851]

約数ペア:

[(1, 20590851), (3, 6863617), (19, 1083729), (31, 664221), (43, 478857), (57, 361243), (93, 221407), (129, 159619), (271, 75981), (589, 34959), (813, 25327), (817, 25203), (1333, 15447), (1767, 11653), (2451, 8401), (3999, 5149)]