20158340872

素因数分解:

$2^3\times {\mathrm{1901}}^1\times {\mathrm{1325509}}^1$

素因数の和:1327416

約数の個数: 16

約数和(自身を含む): 37816800300

約数和(自身を除く): 17658459428

約数列:

[1, 2, 4, 8, 1901, 3802, 7604, 15208, 1325509, 2651018, 5302036, 10604072, 2519792609, 5039585218, 10079170436, 20158340872]

約数ペア:

[(1, 20158340872), (2, 10079170436), (4, 5039585218), (8, 2519792609), (1901, 10604072), (3802, 5302036), (7604, 2651018), (15208, 1325509)]