20216295

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40841}}^1$

素因数の和:40863

約数の個数: 24

約数和(自身を含む): 38228112

約数和(自身を除く): 18011817

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40841, 122523, 204205, 367569, 449251, 612615, 1347753, 1837845, 2246255, 4043259, 6738765, 20216295]

約数ペア:

[(1, 20216295), (3, 6738765), (5, 4043259), (9, 2246255), (11, 1837845), (15, 1347753), (33, 612615), (45, 449251), (55, 367569), (99, 204205), (165, 122523), (495, 40841)]