20789363

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2333}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 25393920

約数和(自身を除く): 4604557

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2333, 8911, 16331, 44327, 156311, 310289, 1094177, 2969909, 20789363]

約数ペア:

[(1, 20789363), (7, 2969909), (19, 1094177), (67, 310289), (133, 156311), (469, 44327), (1273, 16331), (2333, 8911)]