20692315

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 9789605

約数列:

[1, 5, 7, 17, 35, 83, 85, 119, 415, 419, 581, 595, 1411, 2095, 2905, 2933, 7055, 7123, 9877, 14665, 34777, 35615, 49385, 49861, 173885, 243439, 249305, 591209, 1217195, 2956045, 4138463, 20692315]

約数ペア:

[(1, 20692315), (5, 4138463), (7, 2956045), (17, 1217195), (35, 591209), (83, 249305), (85, 243439), (119, 173885), (415, 49861), (419, 49385), (581, 35615), (595, 34777), (1411, 14665), (2095, 9877), (2905, 7123), (2933, 7055)]