20081043

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 31254080

約数和(自身を除く): 11173037

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2731, 7353, 8193, 24579, 51889, 117433, 155667, 352299, 467001, 1056897, 2231227, 6693681, 20081043]

約数ペア:

[(1, 20081043), (3, 6693681), (9, 2231227), (19, 1056897), (43, 467001), (57, 352299), (129, 155667), (171, 117433), (387, 51889), (817, 24579), (2451, 8193), (2731, 7353)]