20105235

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2741}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 35075664

約数和(自身を除く): 14970429

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 2741, 7335, 8223, 13705, 24669, 41115, 123345, 446783, 1340349, 2233915, 4021047, 6701745, 20105235]

約数ペア:

[(1, 20105235), (3, 6701745), (5, 4021047), (9, 2233915), (15, 1340349), (45, 446783), (163, 123345), (489, 41115), (815, 24669), (1467, 13705), (2445, 8223), (2741, 7335)]