20340290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47303}}^1$

素因数の和:47353

約数の個数: 16

約数和(自身を含む): 37464768

約数和(自身を除く): 17124478

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47303, 94606, 236515, 473030, 2034029, 4068058, 10170145, 20340290]

約数ペア:

[(1, 20340290), (2, 10170145), (5, 4068058), (10, 2034029), (43, 473030), (86, 236515), (215, 94606), (430, 47303)]