20179255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5521}}^1$

素因数の和:5586

約数の個数: 16

約数和(自身を含む): 26240544

約数和(自身を除く): 6061289

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5521, 27605, 93857, 237403, 469285, 1187015, 4035851, 20179255]

約数ペア:

[(1, 20179255), (5, 4035851), (17, 1187015), (43, 469285), (85, 237403), (215, 93857), (731, 27605), (3655, 5521)]