20512142716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{44089}}^1$

素因数の和:44518

約数の個数: 48

約数和(自身を含む): 40442875200

約数和(自身を除く): 19930732484

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 389, 598, 778, 1196, 1556, 5057, 8947, 10114, 17894, 20228, 35788, 44089, 88178, 116311, 176356, 232622, 465244, 573157, 1014047, 1146314, 2028094, 2292628, 4056188, 13182611, 17150621, 26365222, 34301242, 52730444, 68602484, 222958073, 394464283, 445916146, 788928566, 891832292, 1577857132, 5128035679, 10256071358, 20512142716]

約数ペア:

[(1, 20512142716), (2, 10256071358), (4, 5128035679), (13, 1577857132), (23, 891832292), (26, 788928566), (46, 445916146), (52, 394464283), (92, 222958073), (299, 68602484), (389, 52730444), (598, 34301242), (778, 26365222), (1196, 17150621), (1556, 13182611), (5057, 4056188), (8947, 2292628), (10114, 2028094), (17894, 1146314), (20228, 1014047), (35788, 573157), (44089, 465244), (88178, 232622), (116311, 176356)]