20792020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61153}}^1$

素因数の和:61179

約数の個数: 24

約数和(自身を含む): 46232424

約数和(自身を除く): 25440404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61153, 122306, 244612, 305765, 611530, 1039601, 1223060, 2079202, 4158404, 5198005, 10396010, 20792020]

約数ペア:

[(1, 20792020), (2, 10396010), (4, 5198005), (5, 4158404), (10, 2079202), (17, 1223060), (20, 1039601), (34, 611530), (68, 305765), (85, 244612), (170, 122306), (340, 61153)]