20072157

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3527}}^1$

素因数の和:3808

約数の個数: 16

約数和(自身を含む): 30707712

約数和(自身を除く): 10635555

約数列:

[1, 3, 7, 21, 271, 813, 1897, 3527, 5691, 10581, 24689, 74067, 955817, 2867451, 6690719, 20072157]

約数ペア:

[(1, 20072157), (3, 6690719), (7, 2867451), (21, 955817), (271, 74067), (813, 24689), (1897, 10581), (3527, 5691)]