20900278

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{25303}}^1$

素因数の和:25371

約数の個数: 16

約数和(自身を含む): 36437760

約数和(自身を除く): 15537482

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 25303, 50606, 177121, 354242, 1492877, 2985754, 10450139, 20900278]

約数ペア:

[(1, 20900278), (2, 10450139), (7, 2985754), (14, 1492877), (59, 354242), (118, 177121), (413, 50606), (826, 25303)]