20477107

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{659}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 24583680

約数和(自身を除く): 4106573

約数列:

[1, 7, 23, 161, 193, 659, 1351, 4439, 4613, 15157, 31073, 106099, 127187, 890309, 2925301, 20477107]

約数ペア:

[(1, 20477107), (7, 2925301), (23, 890309), (161, 127187), (193, 106099), (659, 31073), (1351, 15157), (4439, 4613)]