20608263

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19571}}^1$

素因数の和:19596

約数の個数: 20

約数和(自身を含む): 33154968

約数和(自身を除く): 12546705

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19571, 58713, 176139, 254423, 528417, 763269, 1585251, 2289807, 6869421, 20608263]

約数ペア:

[(1, 20608263), (3, 6869421), (9, 2289807), (13, 1585251), (27, 763269), (39, 528417), (81, 254423), (117, 176139), (351, 58713), (1053, 19571)]