16868120

素因数分解:

$2^3\times 5^1\times {\mathrm{421703}}^1$

素因数の和:421714

約数の個数: 16

約数和(自身を含む): 37953360

約数和(自身を除く): 21085240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421703, 843406, 1686812, 2108515, 3373624, 4217030, 8434060, 16868120]

約数ペア:

[(1, 16868120), (2, 8434060), (4, 4217030), (5, 3373624), (8, 2108515), (10, 1686812), (20, 843406), (40, 421703)]