20165031

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2417}}^1$

素因数の和:2532

約数の個数: 20

約数和(自身を含む): 30428112

約数和(自身を除く): 10263081

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2417, 2781, 7251, 8343, 21753, 65259, 195777, 248951, 746853, 2240559, 6721677, 20165031]

約数ペア:

[(1, 20165031), (3, 6721677), (9, 2240559), (27, 746853), (81, 248951), (103, 195777), (309, 65259), (927, 21753), (2417, 8343), (2781, 7251)]