20160018

素因数分解:

$2^1\times 3^2\times {\mathrm{1120001}}^1$

素因数の和:1120009

約数の個数: 12

約数和(自身を含む): 43680078

約数和(自身を除く): 23520060

約数列:

[1, 2, 3, 6, 9, 18, 1120001, 2240002, 3360003, 6720006, 10080009, 20160018]

約数ペア:

[(1, 20160018), (2, 10080009), (3, 6720006), (6, 3360003), (9, 2240002), (18, 1120001)]