20542781985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{19949}}^1$

素因数の和:20126

約数の個数: 48

約数和(自身を含む): 36317937600

約数和(自身を除く): 15775155615

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 165, 237, 395, 869, 1185, 2607, 4345, 6241, 13035, 18723, 19949, 31205, 59847, 68651, 93615, 99745, 205953, 219439, 299235, 343255, 658317, 1029765, 1097195, 1575971, 3291585, 4727913, 7879855, 17335681, 23639565, 52007043, 86678405, 124501709, 260035215, 373505127, 622508545, 1369518799, 1867525635, 4108556397, 6847593995, 20542781985]

約数ペア:

[(1, 20542781985), (3, 6847593995), (5, 4108556397), (11, 1867525635), (15, 1369518799), (33, 622508545), (55, 373505127), (79, 260035215), (165, 124501709), (237, 86678405), (395, 52007043), (869, 23639565), (1185, 17335681), (2607, 7879855), (4345, 4727913), (6241, 3291585), (13035, 1575971), (18723, 1097195), (19949, 1029765), (31205, 658317), (59847, 343255), (68651, 299235), (93615, 219439), (99745, 205953)]