20495547

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4133}}^1$

素因数の和:4187

約数の個数: 24

約数和(自身を含む): 32245200

約数和(自身を除く): 11749653

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4133, 4959, 12399, 37197, 78527, 119857, 235581, 359571, 706743, 1078713, 2277283, 6831849, 20495547]

約数ペア:

[(1, 20495547), (3, 6831849), (9, 2277283), (19, 1078713), (29, 706743), (57, 359571), (87, 235581), (171, 119857), (261, 78527), (551, 37197), (1653, 12399), (4133, 4959)]