20197214980

素因数分解:

$2^2\times 5^1\times {\mathrm{1009860749}}^1$

素因数の和:1009860758

約数の個数: 12

約数和(自身を含む): 42414151500

約数和(自身を除く): 22216936520

約数列:

[1, 2, 4, 5, 10, 20, 1009860749, 2019721498, 4039442996, 5049303745, 10098607490, 20197214980]

約数ペア:

[(1, 20197214980), (2, 10098607490), (4, 5049303745), (5, 4039442996), (10, 2019721498), (20, 1009860749)]