20109726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12277}}^1$

素因数の和:12305

約数の個数: 48

約数和(自身を含む): 53630304

約数和(自身を除く): 33520578

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12277, 24554, 36831, 73662, 85939, 110493, 159601, 171878, 220986, 257817, 319202, 478803, 515634, 773451, 957606, 1117207, 1436409, 1546902, 2234414, 2872818, 3351621, 6703242, 10054863, 20109726]

約数ペア:

[(1, 20109726), (2, 10054863), (3, 6703242), (6, 3351621), (7, 2872818), (9, 2234414), (13, 1546902), (14, 1436409), (18, 1117207), (21, 957606), (26, 773451), (39, 515634), (42, 478803), (63, 319202), (78, 257817), (91, 220986), (117, 171878), (126, 159601), (182, 110493), (234, 85939), (273, 73662), (546, 36831), (819, 24554), (1638, 12277)]