20715780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345263}}^1$

素因数の和:345275

約数の個数: 24

約数和(自身を含む): 58004352

約数和(自身を除く): 37288572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345263, 690526, 1035789, 1381052, 1726315, 2071578, 3452630, 4143156, 5178945, 6905260, 10357890, 20715780]

約数ペア:

[(1, 20715780), (2, 10357890), (3, 6905260), (4, 5178945), (5, 4143156), (6, 3452630), (10, 2071578), (12, 1726315), (15, 1381052), (20, 1035789), (30, 690526), (60, 345263)]