20229664

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6977

約数の個数: 48

約数和(自身を含む): 49025088

約数和(自身を除く): 28795424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6947, 13894, 27788, 48629, 55576, 90311, 97258, 111152, 180622, 194516, 222304, 361244, 389032, 632177, 722488, 778064, 1264354, 1444976, 1556128, 2528708, 2889952, 5057416, 10114832, 20229664]

約数ペア:

[(1, 20229664), (2, 10114832), (4, 5057416), (7, 2889952), (8, 2528708), (13, 1556128), (14, 1444976), (16, 1264354), (26, 778064), (28, 722488), (32, 632177), (52, 389032), (56, 361244), (91, 222304), (104, 194516), (112, 180622), (182, 111152), (208, 97258), (224, 90311), (364, 55576), (416, 48629), (728, 27788), (1456, 13894), (2912, 6947)]