20168064878

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1714

約数の個数: 96

約数和(自身を含む): 35973642240

約数和(自身を除く): 15805577362

約数列:

[1, 2, 13, 23, 26, 31, 46, 53, 62, 106, 169, 299, 338, 403, 598, 689, 713, 806, 1219, 1378, 1426, 1579, 1643, 2438, 3158, 3286, 3887, 5239, 7774, 8957, 9269, 10478, 15847, 17914, 18538, 20527, 21359, 31694, 36317, 37789, 41054, 42718, 48949, 72634, 75578, 83687, 97898, 120497, 167374, 206011, 240994, 266851, 277667, 412022, 472121, 491257, 533702, 555334, 636337, 944242, 982514, 1087931, 1125827, 1272674, 1924801, 2175862, 2251654, 2594297, 3849602, 5188594, 6137573, 6386341, 8272381, 12275146, 12772682, 14143103, 14635751, 16544762, 25022413, 28286206, 29271502, 33725861, 50044826, 59668831, 67451722, 119337662, 190264763, 325291369, 380529526, 438436193, 650582738, 775694803, 876872386, 1551389606, 10084032439, 20168064878]

約数ペア:

[(1, 20168064878), (2, 10084032439), (13, 1551389606), (23, 876872386), (26, 775694803), (31, 650582738), (46, 438436193), (53, 380529526), (62, 325291369), (106, 190264763), (169, 119337662), (299, 67451722), (338, 59668831), (403, 50044826), (598, 33725861), (689, 29271502), (713, 28286206), (806, 25022413), (1219, 16544762), (1378, 14635751), (1426, 14143103), (1579, 12772682), (1643, 12275146), (2438, 8272381), (3158, 6386341), (3286, 6137573), (3887, 5188594), (5239, 3849602), (7774, 2594297), (8957, 2251654), (9269, 2175862), (10478, 1924801), (15847, 1272674), (17914, 1125827), (18538, 1087931), (20527, 982514), (21359, 944242), (31694, 636337), (36317, 555334), (37789, 533702), (41054, 491257), (42718, 472121), (48949, 412022), (72634, 277667), (75578, 266851), (83687, 240994), (97898, 206011), (120497, 167374)]