20173951

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3607}}^1$

素因数の和:3678

約数の個数: 16

約数和(自身を含む): 24938496

約数和(自身を除く): 4764545

約数列:

[1, 7, 17, 47, 119, 329, 799, 3607, 5593, 25249, 61319, 169529, 429233, 1186703, 2881993, 20173951]

約数ペア:

[(1, 20173951), (7, 2881993), (17, 1186703), (47, 429233), (119, 169529), (329, 61319), (799, 25249), (3607, 5593)]