20901192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 58114560

約数和(自身を除く): 37213368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2161, 2418, 3224, 4322, 4836, 6483, 8644, 9672, 12966, 17288, 25932, 28093, 51864, 56186, 66991, 84279, 112372, 133982, 168558, 200973, 224744, 267964, 337116, 401946, 535928, 674232, 803892, 870883, 1607784, 1741766, 2612649, 3483532, 5225298, 6967064, 10450596, 20901192]

約数ペア:

[(1, 20901192), (2, 10450596), (3, 6967064), (4, 5225298), (6, 3483532), (8, 2612649), (12, 1741766), (13, 1607784), (24, 870883), (26, 803892), (31, 674232), (39, 535928), (52, 401946), (62, 337116), (78, 267964), (93, 224744), (104, 200973), (124, 168558), (156, 133982), (186, 112372), (248, 84279), (312, 66991), (372, 56186), (403, 51864), (744, 28093), (806, 25932), (1209, 17288), (1612, 12966), (2161, 9672), (2418, 8644), (3224, 6483), (4322, 4836)]