20176590591

素因数分解:

$3^9\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 32008739840

約数和(自身を除く): 11832149249

約数列:

[1, 3, 9, 27, 31, 43, 81, 93, 129, 243, 279, 387, 729, 769, 837, 1161, 1333, 2187, 2307, 2511, 3483, 3999, 6561, 6921, 7533, 10449, 11997, 19683, 20763, 22599, 23839, 31347, 33067, 35991, 62289, 67797, 71517, 94041, 99201, 107973, 186867, 203391, 214551, 282123, 297603, 323919, 560601, 610173, 643653, 846369, 892809, 971757, 1025077, 1681803, 1930959, 2678427, 2915271, 3075231, 5045409, 5792877, 8035281, 8745813, 9225693, 15136227, 17378631, 24105843, 26237439, 27677079, 52135893, 72317529, 83031237, 156407679, 216952587, 249093711, 469223037, 650857761, 747281133, 2241843399, 6725530197, 20176590591]

約数ペア:

[(1, 20176590591), (3, 6725530197), (9, 2241843399), (27, 747281133), (31, 650857761), (43, 469223037), (81, 249093711), (93, 216952587), (129, 156407679), (243, 83031237), (279, 72317529), (387, 52135893), (729, 27677079), (769, 26237439), (837, 24105843), (1161, 17378631), (1333, 15136227), (2187, 9225693), (2307, 8745813), (2511, 8035281), (3483, 5792877), (3999, 5045409), (6561, 3075231), (6921, 2915271), (7533, 2678427), (10449, 1930959), (11997, 1681803), (19683, 1025077), (20763, 971757), (22599, 892809), (23839, 846369), (31347, 643653), (33067, 610173), (35991, 560601), (62289, 323919), (67797, 297603), (71517, 282123), (94041, 214551), (99201, 203391), (107973, 186867)]