20298540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{338309}}^1$

素因数の和:338321

約数の個数: 24

約数和(自身を含む): 56836080

約数和(自身を除く): 36537540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 338309, 676618, 1014927, 1353236, 1691545, 2029854, 3383090, 4059708, 5074635, 6766180, 10149270, 20298540]

約数ペア:

[(1, 20298540), (2, 10149270), (3, 6766180), (4, 5074635), (5, 4059708), (6, 3383090), (10, 2029854), (12, 1691545), (15, 1353236), (20, 1014927), (30, 676618), (60, 338309)]