20097399

素因数分解:

$3^1\times 7^3\times {\mathrm{19531}}^1$

素因数の和:19555

約数の個数: 16

約数和(自身を含む): 31251200

約数和(自身を除く): 11153801

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 19531, 58593, 136717, 410151, 957019, 2871057, 6699133, 20097399]

約数ペア:

[(1, 20097399), (3, 6699133), (7, 2871057), (21, 957019), (49, 410151), (147, 136717), (343, 58593), (1029, 19531)]