20431197

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{1013}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 31004064

約数和(自身を除く): 10572867

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 747, 1013, 2241, 3039, 6723, 9117, 20169, 27351, 82053, 84079, 246159, 252237, 756711, 2270133, 6810399, 20431197]

約数ペア:

[(1, 20431197), (3, 6810399), (9, 2270133), (27, 756711), (81, 252237), (83, 246159), (243, 84079), (249, 82053), (747, 27351), (1013, 20169), (2241, 9117), (3039, 6723)]