20755605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 36038016

約数和(自身を除く): 15282411

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 653, 815, 1959, 2119, 2445, 3265, 6357, 8489, 9795, 10595, 25467, 31785, 42445, 106439, 127335, 319317, 532195, 1383707, 1596585, 4151121, 6918535, 20755605]

約数ペア:

[(1, 20755605), (3, 6918535), (5, 4151121), (13, 1596585), (15, 1383707), (39, 532195), (65, 319317), (163, 127335), (195, 106439), (489, 42445), (653, 31785), (815, 25467), (1959, 10595), (2119, 9795), (2445, 8489), (3265, 6357)]