16920045

素因数分解:

$3^2\times 5^1\times {\mathrm{376001}}^1$

素因数の和:376012

約数の個数: 12

約数和(自身を含む): 29328156

約数和(自身を除く): 12408111

約数列:

[1, 3, 5, 9, 15, 45, 376001, 1128003, 1880005, 3384009, 5640015, 16920045]

約数ペア:

[(1, 16920045), (3, 5640015), (5, 3384009), (9, 1880005), (15, 1128003), (45, 376001)]