20290668

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39323}}^1$

素因数の和:39373

約数の個数: 24

約数和(自身を含む): 48447168

約数和(自身を除く): 28156500

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39323, 78646, 117969, 157292, 235938, 471876, 1690889, 3381778, 5072667, 6763556, 10145334, 20290668]

約数ペア:

[(1, 20290668), (2, 10145334), (3, 6763556), (4, 5072667), (6, 3381778), (12, 1690889), (43, 471876), (86, 235938), (129, 157292), (172, 117969), (258, 78646), (516, 39323)]