20067215

素因数分解:

$5^1\times 7^3\times {\mathrm{11701}}^1$

素因数の和:11727

約数の個数: 16

約数和(自身を含む): 28084800

約数和(自身を除く): 8017585

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 11701, 58505, 81907, 409535, 573349, 2866745, 4013443, 20067215]

約数ペア:

[(1, 20067215), (5, 4013443), (7, 2866745), (35, 573349), (49, 409535), (245, 81907), (343, 58505), (1715, 11701)]