20193740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144241}}^1$

素因数の和:144257

約数の個数: 24

約数和(自身を含む): 48465312

約数和(自身を除く): 28271572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144241, 288482, 576964, 721205, 1009687, 1442410, 2019374, 2884820, 4038748, 5048435, 10096870, 20193740]

約数ペア:

[(1, 20193740), (2, 10096870), (4, 5048435), (5, 4038748), (7, 2884820), (10, 2019374), (14, 1442410), (20, 1009687), (28, 721205), (35, 576964), (70, 288482), (140, 144241)]