20427100

素因数分解:

$2^2\times 5^2\times {\mathrm{359}}^1\times {\mathrm{569}}^1$

素因数の和:942

約数の個数: 36

約数和(自身を含む): 44528400

約数和(自身を除く): 24101300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 359, 569, 718, 1138, 1436, 1795, 2276, 2845, 3590, 5690, 7180, 8975, 11380, 14225, 17950, 28450, 35900, 56900, 204271, 408542, 817084, 1021355, 2042710, 4085420, 5106775, 10213550, 20427100]

約数ペア:

[(1, 20427100), (2, 10213550), (4, 5106775), (5, 4085420), (10, 2042710), (20, 1021355), (25, 817084), (50, 408542), (100, 204271), (359, 56900), (569, 35900), (718, 28450), (1138, 17950), (1436, 14225), (1795, 11380), (2276, 8975), (2845, 7180), (3590, 5690)]