20679270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{689309}}^1$

素因数の和:689319

約数の個数: 16

約数和(自身を含む): 49630320

約数和(自身を除く): 28951050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 689309, 1378618, 2067927, 3446545, 4135854, 6893090, 10339635, 20679270]

約数ペア:

[(1, 20679270), (2, 10339635), (3, 6893090), (5, 4135854), (6, 3446545), (10, 2067927), (15, 1378618), (30, 689309)]