20933601

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 31409280

約数和(自身を除く): 10475679

約数列:

[1, 3, 13, 37, 39, 89, 111, 163, 267, 481, 489, 1157, 1443, 2119, 3293, 3471, 6031, 6357, 9879, 14507, 18093, 42809, 43521, 78403, 128427, 188591, 235209, 536759, 565773, 1610277, 6977867, 20933601]

約数ペア:

[(1, 20933601), (3, 6977867), (13, 1610277), (37, 565773), (39, 536759), (89, 235209), (111, 188591), (163, 128427), (267, 78403), (481, 43521), (489, 42809), (1157, 18093), (1443, 14507), (2119, 9879), (3293, 6357), (3471, 6031)]