20802207

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4397}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 29554560

約数和(自身を除く): 8752353

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4397, 4731, 13191, 83543, 250629, 364951, 1094853, 6934069, 20802207]

約数ペア:

[(1, 20802207), (3, 6934069), (19, 1094853), (57, 364951), (83, 250629), (249, 83543), (1577, 13191), (4397, 4731)]