20985242

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{2719}}^1$

素因数の和:2965

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12503398

約数列:

[1, 2, 17, 34, 227, 454, 2719, 3859, 5438, 7718, 46223, 92446, 617213, 1234426, 10492621, 20985242]

約数ペア:

[(1, 20985242), (2, 10492621), (17, 1234426), (34, 617213), (227, 92446), (454, 46223), (2719, 7718), (3859, 5438)]