20005475

素因数分解:

$5^2\times 7^3\times {\mathrm{2333}}^1$

素因数の和:2364

約数の個数: 24

約数和(自身を含む): 28941600

約数和(自身を除く): 8936125

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 1225, 1715, 2333, 8575, 11665, 16331, 58325, 81655, 114317, 408275, 571585, 800219, 2857925, 4001095, 20005475]

約数ペア:

[(1, 20005475), (5, 4001095), (7, 2857925), (25, 800219), (35, 571585), (49, 408275), (175, 114317), (245, 81655), (343, 58325), (1225, 16331), (1715, 11665), (2333, 8575)]