20899206

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8353}}^1$

素因数の和:8500

約数の個数: 24

約数和(自身を含む): 45612840

約数和(自身を除く): 24713634

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8353, 16706, 25059, 50118, 75177, 150354, 1161067, 2322134, 3483201, 6966402, 10449603, 20899206]

約数ペア:

[(1, 20899206), (2, 10449603), (3, 6966402), (6, 3483201), (9, 2322134), (18, 1161067), (139, 150354), (278, 75177), (417, 50118), (834, 25059), (1251, 16706), (2502, 8353)]