20123768510

素因数分解:

$2^1\times 5^1\times {\mathrm{20219}}^1\times {\mathrm{99529}}^1$

素因数の和:119755

約数の個数: 16

約数和(自身を含む): 36224938800

約数和(自身を除く): 16101170290

約数列:

[1, 2, 5, 10, 20219, 40438, 99529, 101095, 199058, 202190, 497645, 995290, 2012376851, 4024753702, 10061884255, 20123768510]

約数ペア:

[(1, 20123768510), (2, 10061884255), (5, 4024753702), (10, 2012376851), (20219, 995290), (40438, 497645), (99529, 202190), (101095, 199058)]