63390220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{44641}}^1$

素因数の和:44721

約数の個数: 24

約数和(自身を含む): 134997408

約数和(自身を除く): 71607188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 44641, 89282, 178564, 223205, 446410, 892820, 3169511, 6339022, 12678044, 15847555, 31695110, 63390220]

約数ペア:

[(1, 63390220), (2, 31695110), (4, 15847555), (5, 12678044), (10, 6339022), (20, 3169511), (71, 892820), (142, 446410), (284, 223205), (355, 178564), (710, 89282), (1420, 44641)]