20425830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680861}}^1$

素因数の和:680871

約数の個数: 16

約数和(自身を含む): 49022064

約数和(自身を除く): 28596234

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680861, 1361722, 2042583, 3404305, 4085166, 6808610, 10212915, 20425830]

約数ペア:

[(1, 20425830), (2, 10212915), (3, 6808610), (5, 4085166), (6, 3404305), (10, 2042583), (15, 1361722), (30, 680861)]