20158209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{367}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 31000320

約数和(自身を除く): 10842111

約数列:

[1, 3, 9, 17, 51, 153, 359, 367, 1077, 1101, 3231, 3303, 6103, 6239, 18309, 18717, 54927, 56151, 131753, 395259, 1185777, 2239801, 6719403, 20158209]

約数ペア:

[(1, 20158209), (3, 6719403), (9, 2239801), (17, 1185777), (51, 395259), (153, 131753), (359, 56151), (367, 54927), (1077, 18717), (1101, 18309), (3231, 6239), (3303, 6103)]