20961870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{698729}}^1$

素因数の和:698739

約数の個数: 16

約数和(自身を含む): 50308560

約数和(自身を除く): 29346690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 698729, 1397458, 2096187, 3493645, 4192374, 6987290, 10480935, 20961870]

約数ペア:

[(1, 20961870), (2, 10480935), (3, 6987290), (5, 4192374), (6, 3493645), (10, 2096187), (15, 1397458), (30, 698729)]