24390220

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1423}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 51315264

約数和(自身を除く): 26925044

約数列:

[1, 2, 4, 5, 10, 20, 857, 1423, 1714, 2846, 3428, 4285, 5692, 7115, 8570, 14230, 17140, 28460, 1219511, 2439022, 4878044, 6097555, 12195110, 24390220]

約数ペア:

[(1, 24390220), (2, 12195110), (4, 6097555), (5, 4878044), (10, 2439022), (20, 1219511), (857, 28460), (1423, 17140), (1714, 14230), (2846, 8570), (3428, 7115), (4285, 5692)]