20498535

素因数分解:

$3^3\times 5^1\times {\mathrm{151841}}^1$

素因数の和:151855

約数の個数: 16

約数和(自身を含む): 36442080

約数和(自身を除く): 15943545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151841, 455523, 759205, 1366569, 2277615, 4099707, 6832845, 20498535]

約数ペア:

[(1, 20498535), (3, 6832845), (5, 4099707), (9, 2277615), (15, 1366569), (27, 759205), (45, 455523), (135, 151841)]