20542534

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2801}}^1$

素因数の和:3015

約数の個数: 16

約数和(自身を含む): 32615280

約数和(自身を除く): 12072746

約数列:

[1, 2, 19, 38, 193, 386, 2801, 3667, 5602, 7334, 53219, 106438, 540593, 1081186, 10271267, 20542534]

約数ペア:

[(1, 20542534), (2, 10271267), (19, 1081186), (38, 540593), (193, 106438), (386, 53219), (2801, 7334), (3667, 5602)]