20659898

素因数分解:

$2^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{4021}}^1$

素因数の和:4397

約数の個数: 16

約数和(自身を含む): 35522304

約数和(自身を除く): 14862406

約数列:

[1, 2, 7, 14, 367, 734, 2569, 4021, 5138, 8042, 28147, 56294, 1475707, 2951414, 10329949, 20659898]

約数ペア:

[(1, 20659898), (2, 10329949), (7, 2951414), (14, 1475707), (367, 56294), (734, 28147), (2569, 8042), (4021, 5138)]