20512483173

素因数分解:

$3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103069}}^1$

素因数の和:103110

約数の個数: 64

約数和(自身を含む): 37863795200

約数和(自身を除く): 17351312027

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 729, 819, 1053, 1701, 2187, 2457, 3159, 5103, 7371, 9477, 15309, 22113, 28431, 66339, 103069, 199017, 309207, 721483, 927621, 1339897, 2164449, 2782863, 4019691, 6493347, 8348589, 9379279, 12059073, 19480041, 25045767, 28137837, 36177219, 58440123, 75137301, 84413511, 108531657, 175320369, 225411903, 253240533, 325594971, 525961107, 759721599, 976784913, 1577883321, 2279164797, 2930354739, 6837494391, 20512483173]

約数ペア:

[(1, 20512483173), (3, 6837494391), (7, 2930354739), (9, 2279164797), (13, 1577883321), (21, 976784913), (27, 759721599), (39, 525961107), (63, 325594971), (81, 253240533), (91, 225411903), (117, 175320369), (189, 108531657), (243, 84413511), (273, 75137301), (351, 58440123), (567, 36177219), (729, 28137837), (819, 25045767), (1053, 19480041), (1701, 12059073), (2187, 9379279), (2457, 8348589), (3159, 6493347), (5103, 4019691), (7371, 2782863), (9477, 2164449), (15309, 1339897), (22113, 927621), (28431, 721483), (66339, 309207), (103069, 199017)]