20145843

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 29811600

約数和(自身を除く): 9665757

約数列:

[1, 3, 9, 83, 149, 181, 249, 447, 543, 747, 1341, 1629, 12367, 15023, 26969, 37101, 45069, 80907, 111303, 135207, 242721, 2238427, 6715281, 20145843]

約数ペア:

[(1, 20145843), (3, 6715281), (9, 2238427), (83, 242721), (149, 135207), (181, 111303), (249, 80907), (447, 45069), (543, 37101), (747, 26969), (1341, 15023), (1629, 12367)]