20875899

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3881}}^1$

素因数の和:4058

約数の個数: 16

約数和(自身を含む): 30559104

約数和(自身を除く): 9683205

約数列:

[1, 3, 11, 33, 163, 489, 1793, 3881, 5379, 11643, 42691, 128073, 632603, 1897809, 6958633, 20875899]

約数ペア:

[(1, 20875899), (3, 6958633), (11, 1897809), (33, 632603), (163, 128073), (489, 42691), (1793, 11643), (3881, 5379)]