20808329510

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15884221}}^1$

素因数の和:15884359

約数の個数: 16

約数和(自身を含む): 37740911472

約数和(自身を除く): 16932581962

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15884221, 31768442, 79421105, 158842210, 2080832951, 4161665902, 10404164755, 20808329510]

約数ペア:

[(1, 20808329510), (2, 10404164755), (5, 4161665902), (10, 2080832951), (131, 158842210), (262, 79421105), (655, 31768442), (1310, 15884221)]