20574543

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21499}}^1$

素因数の和:21542

約数の個数: 16

約数和(自身を含む): 30960000

約数和(自身を除く): 10385457

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 21499, 64497, 236489, 623471, 709467, 1870413, 6858181, 20574543]

約数ペア:

[(1, 20574543), (3, 6858181), (11, 1870413), (29, 709467), (33, 623471), (87, 236489), (319, 64497), (957, 21499)]