16868560

素因数分解:

$2^4\times 5^1\times {\mathrm{210857}}^1$

素因数の和:210870

約数の個数: 20

約数和(自身を含む): 39219588

約数和(自身を除く): 22351028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210857, 421714, 843428, 1054285, 1686856, 2108570, 3373712, 4217140, 8434280, 16868560]

約数ペア:

[(1, 16868560), (2, 8434280), (4, 4217140), (5, 3373712), (8, 2108570), (10, 1686856), (16, 1054285), (20, 843428), (40, 421714), (80, 210857)]