20577029956

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1\times {\mathrm{11783}}^1$

素因数の和:13168

約数の個数: 48

約数和(自身を含む): 42064920576

約数和(自身を除く): 21487890620

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 1327, 2654, 5308, 9289, 11783, 18578, 23566, 37156, 47132, 62369, 82481, 124738, 164962, 249476, 329924, 436583, 553801, 873166, 1107602, 1746332, 2215204, 3876607, 7753214, 15506428, 15636041, 31272082, 62544164, 109452287, 218904574, 437809148, 734893927, 1469787854, 2939575708, 5144257489, 10288514978, 20577029956]

約数ペア:

[(1, 20577029956), (2, 10288514978), (4, 5144257489), (7, 2939575708), (14, 1469787854), (28, 734893927), (47, 437809148), (94, 218904574), (188, 109452287), (329, 62544164), (658, 31272082), (1316, 15636041), (1327, 15506428), (2654, 7753214), (5308, 3876607), (9289, 2215204), (11783, 1746332), (18578, 1107602), (23566, 873166), (37156, 553801), (47132, 436583), (62369, 329924), (82481, 249476), (124738, 164962)]