19977670

素因数分解:

$2^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3259}}^1$

素因数の和:3879

約数の個数: 16

約数和(自身を含む): 36029520

約数和(自身を除く): 16051850

約数列:

[1, 2, 5, 10, 613, 1226, 3065, 3259, 6130, 6518, 16295, 32590, 1997767, 3995534, 9988835, 19977670]

約数ペア:

[(1, 19977670), (2, 9988835), (5, 3995534), (10, 1997767), (613, 32590), (1226, 16295), (3065, 6518), (3259, 6130)]