20852793

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4817}}^1$

素因数の和:4873

約数の個数: 24

約数和(自身を含む): 33321288

約数和(自身を除く): 12468495

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4817, 14451, 43353, 62621, 178229, 187863, 534687, 563589, 1604061, 2316977, 6950931, 20852793]

約数ペア:

[(1, 20852793), (3, 6950931), (9, 2316977), (13, 1604061), (37, 563589), (39, 534687), (111, 187863), (117, 178229), (333, 62621), (481, 43353), (1443, 14451), (4329, 4817)]