20888315

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 9662725

約数列:

[1, 5, 7, 19, 35, 95, 101, 133, 311, 505, 665, 707, 1555, 1919, 2177, 3535, 5909, 9595, 10885, 13433, 29545, 31411, 41363, 67165, 157055, 206815, 219877, 596809, 1099385, 2984045, 4177663, 20888315]

約数ペア:

[(1, 20888315), (5, 4177663), (7, 2984045), (19, 1099385), (35, 596809), (95, 219877), (101, 206815), (133, 157055), (311, 67165), (505, 41363), (665, 31411), (707, 29545), (1555, 13433), (1919, 10885), (2177, 9595), (3535, 5909)]