20158222

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7309}}^1$

素因数の和:7515

約数の個数: 16

約数和(自身を含む): 34737120

約数和(自身を除く): 14578898

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 7309, 14618, 51163, 102326, 1439873, 2879746, 10079111, 20158222]

約数ペア:

[(1, 20158222), (2, 10079111), (7, 2879746), (14, 1439873), (197, 102326), (394, 51163), (1379, 14618), (2758, 7309)]