20925441

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 32240000

約数和(自身を除く): 11314559

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 1549, 4503, 4647, 13509, 13941, 29431, 88293, 122371, 264879, 367113, 1101339, 2325049, 6975147, 20925441]

約数ペア:

[(1, 20925441), (3, 6975147), (9, 2325049), (19, 1101339), (57, 367113), (79, 264879), (171, 122371), (237, 88293), (711, 29431), (1501, 13941), (1549, 13509), (4503, 4647)]