20357619

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9283}}^1$

素因数の和:9346

約数の個数: 16

約数和(自身を含む): 29411712

約数和(自身を除く): 9054093

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9283, 27849, 157811, 399169, 473433, 1197507, 6785873, 20357619]

約数ペア:

[(1, 20357619), (3, 6785873), (17, 1197507), (43, 473433), (51, 399169), (129, 157811), (731, 27849), (2193, 9283)]