20112885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34381}}^1$

素因数の和:34405

約数の個数: 24

約数和(自身を含む): 37545144

約数和(自身を除く): 17432259

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34381, 103143, 171905, 309429, 446953, 515715, 1340859, 1547145, 2234765, 4022577, 6704295, 20112885]

約数ペア:

[(1, 20112885), (3, 6704295), (5, 4022577), (9, 2234765), (13, 1547145), (15, 1340859), (39, 515715), (45, 446953), (65, 309429), (117, 171905), (195, 103143), (585, 34381)]