20790787556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4877}}^1\times {\mathrm{13841}}^1$

素因数の和:18740

約数の個数: 48

約数和(自身を含む): 45374297472

約数和(自身を除く): 24583509916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 4877, 9754, 13841, 19508, 27682, 34139, 53647, 55364, 68278, 96887, 107294, 136556, 152251, 193774, 214588, 304502, 375529, 387548, 609004, 751058, 1065757, 1502116, 2131514, 4263028, 67502557, 135005114, 270010228, 472517899, 742528127, 945035798, 1485056254, 1890071596, 2970112508, 5197696889, 10395393778, 20790787556]

約数ペア:

[(1, 20790787556), (2, 10395393778), (4, 5197696889), (7, 2970112508), (11, 1890071596), (14, 1485056254), (22, 945035798), (28, 742528127), (44, 472517899), (77, 270010228), (154, 135005114), (308, 67502557), (4877, 4263028), (9754, 2131514), (13841, 1502116), (19508, 1065757), (27682, 751058), (34139, 609004), (53647, 387548), (55364, 375529), (68278, 304502), (96887, 214588), (107294, 193774), (136556, 152251)]