16820230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{34327}}^1$

素因数の和:34348

約数の個数: 24

約数和(自身を含む): 35220528

約数和(自身を除く): 18400298

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 34327, 68654, 171635, 240289, 343270, 480578, 1201445, 1682023, 2402890, 3364046, 8410115, 16820230]

約数ペア:

[(1, 16820230), (2, 8410115), (5, 3364046), (7, 2402890), (10, 1682023), (14, 1201445), (35, 480578), (49, 343270), (70, 240289), (98, 171635), (245, 68654), (490, 34327)]