20798122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5419}}^1$

素因数の和:5541

約数の個数: 16

約数和(自身を含む): 33170400

約数和(自身を除く): 12372278

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5419, 10838, 102961, 205922, 547319, 1094638, 10399061, 20798122]

約数ペア:

[(1, 20798122), (2, 10399061), (19, 1094638), (38, 547319), (101, 205922), (202, 102961), (1919, 10838), (3838, 5419)]