20189365518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{394987}}^1$

素因数の和:396216

約数の個数: 32

約数和(自身を含む): 46185156864

約数和(自身を除く): 25995791346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1217, 2434, 3651, 7302, 8519, 17038, 25557, 51114, 394987, 789974, 1184961, 2369922, 2764909, 5529818, 8294727, 16589454, 480699179, 961398358, 1442097537, 2884195074, 3364894253, 6729788506, 10094682759, 20189365518]

約数ペア:

[(1, 20189365518), (2, 10094682759), (3, 6729788506), (6, 3364894253), (7, 2884195074), (14, 1442097537), (21, 961398358), (42, 480699179), (1217, 16589454), (2434, 8294727), (3651, 5529818), (7302, 2764909), (8519, 2369922), (17038, 1184961), (25557, 789974), (51114, 394987)]