20290172

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4799}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 40857600

約数和(自身を除く): 20567428

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4799, 9598, 19196, 33593, 67186, 134372, 724649, 1449298, 2898596, 5072543, 10145086, 20290172]

約数ペア:

[(1, 20290172), (2, 10145086), (4, 5072543), (7, 2898596), (14, 1449298), (28, 724649), (151, 134372), (302, 67186), (604, 33593), (1057, 19196), (2114, 9598), (4228, 4799)]