20200551

素因数分解:

$3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2423}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 30872064

約数和(自身を除く): 10671513

約数列:

[1, 3, 7, 21, 397, 1191, 2423, 2779, 7269, 8337, 16961, 50883, 961931, 2885793, 6733517, 20200551]

約数ペア:

[(1, 20200551), (3, 6733517), (7, 2885793), (21, 961931), (397, 50883), (1191, 16961), (2423, 8337), (2779, 7269)]