20009385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40423}}^1$

素因数の和:40445

約数の個数: 24

約数和(自身を含む): 37836864

約数和(自身を除く): 17827479

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40423, 121269, 202115, 363807, 444653, 606345, 1333959, 1819035, 2223265, 4001877, 6669795, 20009385]

約数ペア:

[(1, 20009385), (3, 6669795), (5, 4001877), (9, 2223265), (11, 1819035), (15, 1333959), (33, 606345), (45, 444653), (55, 363807), (99, 202115), (165, 121269), (495, 40423)]