20839467

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 32465664

約数和(自身を除く): 11626197

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 307, 363, 561, 921, 1331, 2057, 3377, 3993, 5219, 6171, 10131, 15657, 22627, 37147, 57409, 67881, 111441, 172227, 408617, 631499, 1225851, 1894497, 6946489, 20839467]

約数ペア:

[(1, 20839467), (3, 6946489), (11, 1894497), (17, 1225851), (33, 631499), (51, 408617), (121, 172227), (187, 111441), (307, 67881), (363, 57409), (561, 37147), (921, 22627), (1331, 15657), (2057, 10131), (3377, 6171), (3993, 5219)]