12720204

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{7211}}^1$

素因数の和:7235

約数の個数: 54

約数和(自身を含む): 37408644

約数和(自身を除く): 24688440

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 7211, 14422, 21633, 28844, 43266, 50477, 64899, 86532, 100954, 129798, 151431, 201908, 259596, 302862, 353339, 454293, 605724, 706678, 908586, 1060017, 1413356, 1817172, 2120034, 3180051, 4240068, 6360102, 12720204]

約数ペア:

[(1, 12720204), (2, 6360102), (3, 4240068), (4, 3180051), (6, 2120034), (7, 1817172), (9, 1413356), (12, 1060017), (14, 908586), (18, 706678), (21, 605724), (28, 454293), (36, 353339), (42, 302862), (49, 259596), (63, 201908), (84, 151431), (98, 129798), (126, 100954), (147, 86532), (196, 64899), (252, 50477), (294, 43266), (441, 28844), (588, 21633), (882, 14422), (1764, 7211)]