20618242

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5101}}^1$

素因数の和:5193

約数の個数: 16

約数和(自身を含む): 32326272

約数和(自身を除く): 11708030

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 5101, 10202, 219343, 239747, 438686, 479494, 10309121, 20618242]

約数ペア:

[(1, 20618242), (2, 10309121), (43, 479494), (47, 438686), (86, 239747), (94, 219343), (2021, 10202), (4042, 5101)]