20158539730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41139877}}^1$

素因数の和:41139898

約数の個数: 24

約数和(自身を含む): 42209514828

約数和(自身を除く): 22050975098

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41139877, 82279754, 205699385, 287979139, 411398770, 575958278, 1439895695, 2015853973, 2879791390, 4031707946, 10079269865, 20158539730]

約数ペア:

[(1, 20158539730), (2, 10079269865), (5, 4031707946), (7, 2879791390), (10, 2015853973), (14, 1439895695), (35, 575958278), (49, 411398770), (70, 287979139), (98, 205699385), (245, 82279754), (490, 41139877)]