20195798427

素因数分解:

$3^2\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{314591}}^1$

素因数の和:315623

約数の個数: 24

約数和(自身を含む): 33371919360

約数和(自身を除く): 13176120933

約数列:

[1, 3, 7, 9, 21, 63, 1019, 3057, 7133, 9171, 21399, 64197, 314591, 943773, 2202137, 2831319, 6606411, 19819233, 320568229, 961704687, 2243977603, 2885114061, 6731932809, 20195798427]

約数ペア:

[(1, 20195798427), (3, 6731932809), (7, 2885114061), (9, 2243977603), (21, 961704687), (63, 320568229), (1019, 19819233), (3057, 6606411), (7133, 2831319), (9171, 2202137), (21399, 943773), (64197, 314591)]