16897420

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1237}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 35565264

約数和(自身を除く): 18667844

約数列:

[1, 2, 4, 5, 10, 20, 683, 1237, 1366, 2474, 2732, 3415, 4948, 6185, 6830, 12370, 13660, 24740, 844871, 1689742, 3379484, 4224355, 8448710, 16897420]

約数ペア:

[(1, 16897420), (2, 8448710), (4, 4224355), (5, 3379484), (10, 1689742), (20, 844871), (683, 24740), (1237, 13660), (1366, 12370), (2474, 6830), (2732, 6185), (3415, 4948)]