20268261

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1619}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 11574459

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1619, 4173, 4857, 12519, 14571, 21047, 63141, 173233, 189423, 519699, 1559097, 2252029, 6756087, 20268261]

約数ペア:

[(1, 20268261), (3, 6756087), (9, 2252029), (13, 1559097), (39, 519699), (107, 189423), (117, 173233), (321, 63141), (963, 21047), (1391, 14571), (1619, 12519), (4173, 4857)]