20138251653

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{38653}}^1$

素因数の和:38806

約数の個数: 48

約数和(自身を含む): 32276708464

約数和(自身を除く): 12138456811

約数列:

[1, 3, 9, 13, 39, 61, 73, 117, 183, 219, 549, 657, 793, 949, 2379, 2847, 4453, 7137, 8541, 13359, 38653, 40077, 57889, 115959, 173667, 347877, 502489, 521001, 1507467, 2357833, 2821669, 4522401, 7073499, 8465007, 21220497, 25395021, 30651829, 36681697, 91955487, 110045091, 172121809, 275866461, 330135273, 516365427, 1549096281, 2237583517, 6712750551, 20138251653]

約数ペア:

[(1, 20138251653), (3, 6712750551), (9, 2237583517), (13, 1549096281), (39, 516365427), (61, 330135273), (73, 275866461), (117, 172121809), (183, 110045091), (219, 91955487), (549, 36681697), (657, 30651829), (793, 25395021), (949, 21220497), (2379, 8465007), (2847, 7073499), (4453, 4522401), (7137, 2821669), (8541, 2357833), (13359, 1507467), (38653, 521001), (40077, 502489), (57889, 347877), (115959, 173667)]