20166488360

素因数分解:

$2^3\times 5^1\times {\mathrm{504162209}}^1$

素因数の和:504162220

約数の個数: 16

約数和(自身を含む): 45374598900

約数和(自身を除く): 25208110540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504162209, 1008324418, 2016648836, 2520811045, 4033297672, 5041622090, 10083244180, 20166488360]

約数ペア:

[(1, 20166488360), (2, 10083244180), (4, 5041622090), (5, 4033297672), (8, 2520811045), (10, 2016648836), (20, 1008324418), (40, 504162209)]