16920820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120863}}^1$

素因数の和:120879

約数の個数: 24

約数和(自身を含む): 40610304

約数和(自身を除く): 23689484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120863, 241726, 483452, 604315, 846041, 1208630, 1692082, 2417260, 3384164, 4230205, 8460410, 16920820]

約数ペア:

[(1, 16920820), (2, 8460410), (4, 4230205), (5, 3384164), (7, 2417260), (10, 1692082), (14, 1208630), (20, 846041), (28, 604315), (35, 483452), (70, 241726), (140, 120863)]