20123244765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{27541}}^1$

素因数の和:28814

約数の個数: 48

約数和(自身を含む): 37594830000

約数和(自身を除く): 17471585235

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1249, 3747, 6245, 11241, 16237, 18735, 27541, 48711, 56205, 81185, 82623, 137705, 146133, 243555, 247869, 358033, 413115, 730665, 1074099, 1239345, 1790165, 3222297, 5370495, 16111485, 34398709, 103196127, 171993545, 309588381, 447183217, 515980635, 1341549651, 1547941905, 2235916085, 4024648953, 6707748255, 20123244765]

約数ペア:

[(1, 20123244765), (3, 6707748255), (5, 4024648953), (9, 2235916085), (13, 1547941905), (15, 1341549651), (39, 515980635), (45, 447183217), (65, 309588381), (117, 171993545), (195, 103196127), (585, 34398709), (1249, 16111485), (3747, 5370495), (6245, 3222297), (11241, 1790165), (16237, 1239345), (18735, 1074099), (27541, 730665), (48711, 413115), (56205, 358033), (81185, 247869), (82623, 243555), (137705, 146133)]