20604519

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 32588192

約数和(自身を除く): 11983673

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2887, 7137, 8661, 25983, 37531, 112593, 176107, 337779, 528321, 1584963, 2289391, 6868173, 20604519]

約数ペア:

[(1, 20604519), (3, 6868173), (9, 2289391), (13, 1584963), (39, 528321), (61, 337779), (117, 176107), (183, 112593), (549, 37531), (793, 25983), (2379, 8661), (2887, 7137)]