20045499

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 29313360

約数和(自身を除く): 9267861

約数列:

[1, 3, 17, 31, 51, 93, 409, 527, 961, 1227, 1581, 2883, 6953, 12679, 16337, 20859, 38037, 49011, 215543, 393049, 646629, 1179147, 6681833, 20045499]

約数ペア:

[(1, 20045499), (3, 6681833), (17, 1179147), (31, 646629), (51, 393049), (93, 215543), (409, 49011), (527, 38037), (961, 20859), (1227, 16337), (1581, 12679), (2883, 6953)]