20552007

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5407}}^1$

素因数の和:5598

約数の個数: 16

約数和(自身を含む): 31496192

約数和(自身を除く): 10944185

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5407, 16221, 37849, 113547, 978667, 2936001, 6850669, 20552007]

約数ペア:

[(1, 20552007), (3, 6850669), (7, 2936001), (21, 978667), (181, 113547), (543, 37849), (1267, 16221), (3801, 5407)]