20257486562

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{323509}}^1$

素因数の和:323881

約数の個数: 16

約数和(自身を含む): 30746390400

約数和(自身を除く): 10488903838

約数列:

[1, 2, 131, 239, 262, 478, 31309, 62618, 323509, 647018, 42379679, 77318651, 84759358, 154637302, 10128743281, 20257486562]

約数ペア:

[(1, 20257486562), (2, 10128743281), (131, 154637302), (239, 84759358), (262, 77318651), (478, 42379679), (31309, 647018), (62618, 323509)]