20572552

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 52859520

約数和(自身を除く): 32286968

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 143, 154, 182, 196, 286, 308, 364, 367, 392, 539, 572, 616, 637, 728, 734, 1001, 1078, 1144, 1274, 1468, 2002, 2156, 2548, 2569, 2936, 4004, 4037, 4312, 4771, 5096, 5138, 7007, 8008, 8074, 9542, 10276, 14014, 16148, 17983, 19084, 20552, 28028, 28259, 32296, 33397, 35966, 38168, 52481, 56056, 56518, 66794, 71932, 104962, 113036, 133588, 143864, 197813, 209924, 226072, 233779, 267176, 367367, 395626, 419848, 467558, 734734, 791252, 935116, 1469468, 1582504, 1870232, 2571569, 2938936, 5143138, 10286276, 20572552]

約数ペア:

[(1, 20572552), (2, 10286276), (4, 5143138), (7, 2938936), (8, 2571569), (11, 1870232), (13, 1582504), (14, 1469468), (22, 935116), (26, 791252), (28, 734734), (44, 467558), (49, 419848), (52, 395626), (56, 367367), (77, 267176), (88, 233779), (91, 226072), (98, 209924), (104, 197813), (143, 143864), (154, 133588), (182, 113036), (196, 104962), (286, 71932), (308, 66794), (364, 56518), (367, 56056), (392, 52481), (539, 38168), (572, 35966), (616, 33397), (637, 32296), (728, 28259), (734, 28028), (1001, 20552), (1078, 19084), (1144, 17983), (1274, 16148), (1468, 14014), (2002, 10276), (2156, 9542), (2548, 8074), (2569, 8008), (2936, 7007), (4004, 5138), (4037, 5096), (4312, 4771)]