20139920656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1\times {\mathrm{1861}}^1$

素因数の和:2352

約数の個数: 80

約数和(自身を含む): 41633724160

約数和(自身を除く): 21493803504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 304, 367, 388, 734, 776, 1468, 1552, 1843, 1861, 2936, 3686, 3722, 5872, 6973, 7372, 7444, 13946, 14744, 14888, 27892, 29488, 29776, 35359, 35599, 55784, 70718, 71198, 111568, 141436, 142396, 180517, 282872, 284792, 361034, 565744, 569584, 676381, 682987, 722068, 1352762, 1365974, 1444136, 2705524, 2731948, 2888272, 3429823, 5411048, 5463896, 6859646, 10822096, 10927792, 12976753, 13719292, 25953506, 27438584, 51907012, 54877168, 66249739, 103814024, 132499478, 207628048, 264998956, 529997912, 1059995824, 1258745041, 2517490082, 5034980164, 10069960328, 20139920656]

約数ペア:

[(1, 20139920656), (2, 10069960328), (4, 5034980164), (8, 2517490082), (16, 1258745041), (19, 1059995824), (38, 529997912), (76, 264998956), (97, 207628048), (152, 132499478), (194, 103814024), (304, 66249739), (367, 54877168), (388, 51907012), (734, 27438584), (776, 25953506), (1468, 13719292), (1552, 12976753), (1843, 10927792), (1861, 10822096), (2936, 6859646), (3686, 5463896), (3722, 5411048), (5872, 3429823), (6973, 2888272), (7372, 2731948), (7444, 2705524), (13946, 1444136), (14744, 1365974), (14888, 1352762), (27892, 722068), (29488, 682987), (29776, 676381), (35359, 569584), (35599, 565744), (55784, 361034), (70718, 284792), (71198, 282872), (111568, 180517), (141436, 142396)]