20403766306

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1361}}^1\times {\mathrm{13907}}^1$

素因数の和:15295

約数の個数: 48

約数和(自身を含む): 38870412192

約数和(自身を除く): 18466645886

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 1361, 2722, 9527, 13907, 14971, 19054, 27814, 29942, 66689, 97349, 104797, 133378, 152977, 194698, 209594, 305954, 681443, 733579, 1070839, 1362886, 1467158, 2141678, 7495873, 14991746, 18927427, 37854854, 132491989, 208201697, 264983978, 416403394, 927443923, 1457411879, 1854887846, 2914823758, 10201883153, 20403766306]

約数ペア:

[(1, 20403766306), (2, 10201883153), (7, 2914823758), (11, 1854887846), (14, 1457411879), (22, 927443923), (49, 416403394), (77, 264983978), (98, 208201697), (154, 132491989), (539, 37854854), (1078, 18927427), (1361, 14991746), (2722, 7495873), (9527, 2141678), (13907, 1467158), (14971, 1362886), (19054, 1070839), (27814, 733579), (29942, 681443), (66689, 305954), (97349, 209594), (104797, 194698), (133378, 152977)]