20971368

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26479}}^1$

素因数の和:26502

約数の個数: 48

約数和(自身を含む): 61963200

約数和(自身を除く): 40991832

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26479, 52958, 79437, 105916, 158874, 211832, 238311, 291269, 317748, 476622, 582538, 635496, 873807, 953244, 1165076, 1747614, 1906488, 2330152, 2621421, 3495228, 5242842, 6990456, 10485684, 20971368]

約数ペア:

[(1, 20971368), (2, 10485684), (3, 6990456), (4, 5242842), (6, 3495228), (8, 2621421), (9, 2330152), (11, 1906488), (12, 1747614), (18, 1165076), (22, 953244), (24, 873807), (33, 635496), (36, 582538), (44, 476622), (66, 317748), (72, 291269), (88, 238311), (99, 211832), (132, 158874), (198, 105916), (264, 79437), (396, 52958), (792, 26479)]