20575713

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 28169856

約数和(自身を除く): 7594143

約数列:

[1, 3, 53, 151, 159, 453, 857, 2571, 8003, 24009, 45421, 129407, 136263, 388221, 6858571, 20575713]

約数ペア:

[(1, 20575713), (3, 6858571), (53, 388221), (151, 136263), (159, 129407), (453, 45421), (857, 24009), (2571, 8003)]