20105290

素因数分解:

$2^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1543}}^1$

素因数の和:2853

約数の個数: 16

約数和(自身を含む): 36240768

約数和(自身を除く): 16135478

約数列:

[1, 2, 5, 10, 1303, 1543, 2606, 3086, 6515, 7715, 13030, 15430, 2010529, 4021058, 10052645, 20105290]

約数ペア:

[(1, 20105290), (2, 10052645), (5, 4021058), (10, 2010529), (1303, 15430), (1543, 13030), (2606, 7715), (3086, 6515)]