20432255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2258

約数の個数: 16

約数和(自身を含む): 25736448

約数和(自身を除く): 5304193

約数列:

[1, 5, 31, 61, 155, 305, 1891, 2161, 9455, 10805, 66991, 131821, 334955, 659105, 4086451, 20432255]

約数ペア:

[(1, 20432255), (5, 4086451), (31, 659105), (61, 334955), (155, 131821), (305, 66991), (1891, 10805), (2161, 9455)]