20605359

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1487}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 28569600

約数和(自身を除く): 7964241

約数列:

[1, 3, 31, 93, 149, 447, 1487, 4461, 4619, 13857, 46097, 138291, 221563, 664689, 6868453, 20605359]

約数ペア:

[(1, 20605359), (3, 6868453), (31, 664689), (93, 221563), (149, 138291), (447, 46097), (1487, 13857), (4461, 4619)]