20602521

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{89}}^2$

素因数の和:218

約数の個数: 27

約数和(自身を含む): 31971901

約数和(自身を除く): 11369380

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 289, 801, 867, 1513, 2601, 4539, 7921, 13617, 23763, 25721, 71289, 77163, 134657, 231489, 403971, 1211913, 2289169, 6867507, 20602521]

約数ペア:

[(1, 20602521), (3, 6867507), (9, 2289169), (17, 1211913), (51, 403971), (89, 231489), (153, 134657), (267, 77163), (289, 71289), (801, 25721), (867, 23763), (1513, 13617), (2601, 7921)]