20191090

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19603}}^1$

素因数の和:19713

約数の個数: 16

約数和(自身を含む): 36698688

約数和(自身を除く): 16507598

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19603, 39206, 98015, 196030, 2019109, 4038218, 10095545, 20191090]

約数ペア:

[(1, 20191090), (2, 10095545), (5, 4038218), (10, 2019109), (103, 196030), (206, 98015), (515, 39206), (1030, 19603)]