20961828

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2134

約数の個数: 60

約数和(自身を含む): 56593152

約数和(自身を除く): 35631324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 2087, 2511, 3348, 4174, 5022, 6261, 8348, 10044, 12522, 18783, 25044, 37566, 56349, 64697, 75132, 112698, 129394, 169047, 194091, 225396, 258788, 338094, 388182, 582273, 676188, 776364, 1164546, 1746819, 2329092, 3493638, 5240457, 6987276, 10480914, 20961828]

約数ペア:

[(1, 20961828), (2, 10480914), (3, 6987276), (4, 5240457), (6, 3493638), (9, 2329092), (12, 1746819), (18, 1164546), (27, 776364), (31, 676188), (36, 582273), (54, 388182), (62, 338094), (81, 258788), (93, 225396), (108, 194091), (124, 169047), (162, 129394), (186, 112698), (279, 75132), (324, 64697), (372, 56349), (558, 37566), (837, 25044), (1116, 18783), (1674, 12522), (2087, 10044), (2511, 8348), (3348, 6261), (4174, 5022)]