20599257

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8243}}^1$

素因数の和:8277

約数の個数: 24

約数和(自身を含む): 33833376

約数和(自身を除く): 13234119

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8243, 24729, 57701, 140131, 173103, 403907, 420393, 980917, 1211721, 2942751, 6866419, 20599257]

約数ペア:

[(1, 20599257), (3, 6866419), (7, 2942751), (17, 1211721), (21, 980917), (49, 420393), (51, 403907), (119, 173103), (147, 140131), (357, 57701), (833, 24729), (2499, 8243)]