20090555145

素因数分解:

$3^4\times 5^1\times {\mathrm{49606309}}^1$

素因数の和:49606326

約数の個数: 20

約数和(自身を含む): 36014181060

約数和(自身を除く): 15923625915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49606309, 148818927, 248031545, 446456781, 744094635, 1339370343, 2232283905, 4018111029, 6696851715, 20090555145]

約数ペア:

[(1, 20090555145), (3, 6696851715), (5, 4018111029), (9, 2232283905), (15, 1339370343), (27, 744094635), (45, 446456781), (81, 248031545), (135, 148818927), (405, 49606309)]