16813640

素因数分解:

$2^3\times 5^1\times {\mathrm{420341}}^1$

素因数の和:420352

約数の個数: 16

約数和(自身を含む): 37830780

約数和(自身を除く): 21017140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420341, 840682, 1681364, 2101705, 3362728, 4203410, 8406820, 16813640]

約数ペア:

[(1, 16813640), (2, 8406820), (4, 4203410), (5, 3362728), (8, 2101705), (10, 1681364), (20, 840682), (40, 420341)]