20908932

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 35990652

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 71, 92, 97, 132, 138, 142, 194, 213, 253, 276, 284, 291, 388, 426, 506, 582, 759, 781, 852, 1012, 1067, 1164, 1518, 1562, 1633, 2134, 2231, 2343, 3036, 3124, 3201, 3266, 4268, 4462, 4686, 4899, 6402, 6532, 6693, 6887, 8924, 9372, 9798, 12804, 13386, 13774, 17963, 19596, 20661, 24541, 26772, 27548, 35926, 41322, 49082, 53889, 71852, 73623, 75757, 82644, 98164, 107778, 147246, 151514, 158401, 215556, 227271, 294492, 303028, 316802, 454542, 475203, 633604, 909084, 950406, 1742411, 1900812, 3484822, 5227233, 6969644, 10454466, 20908932]

約数ペア:

[(1, 20908932), (2, 10454466), (3, 6969644), (4, 5227233), (6, 3484822), (11, 1900812), (12, 1742411), (22, 950406), (23, 909084), (33, 633604), (44, 475203), (46, 454542), (66, 316802), (69, 303028), (71, 294492), (92, 227271), (97, 215556), (132, 158401), (138, 151514), (142, 147246), (194, 107778), (213, 98164), (253, 82644), (276, 75757), (284, 73623), (291, 71852), (388, 53889), (426, 49082), (506, 41322), (582, 35926), (759, 27548), (781, 26772), (852, 24541), (1012, 20661), (1067, 19596), (1164, 17963), (1518, 13774), (1562, 13386), (1633, 12804), (2134, 9798), (2231, 9372), (2343, 8924), (3036, 6887), (3124, 6693), (3201, 6532), (3266, 6402), (4268, 4899), (4462, 4686)]