20397303

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 9929097

約数列:

[1, 3, 9, 59, 107, 177, 321, 359, 531, 963, 1077, 3231, 6313, 18939, 21181, 38413, 56817, 63543, 115239, 190629, 345717, 2266367, 6799101, 20397303]

約数ペア:

[(1, 20397303), (3, 6799101), (9, 2266367), (59, 345717), (107, 190629), (177, 115239), (321, 63543), (359, 56817), (531, 38413), (963, 21181), (1077, 18939), (3231, 6313)]