20199867084

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{76103}}^1$

素因数の和:76287

約数の個数: 72

約数和(自身を含む): 52273402272

約数和(自身を除く): 32073535188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 101, 146, 202, 219, 292, 303, 404, 438, 606, 657, 876, 909, 1212, 1314, 1818, 2628, 3636, 7373, 14746, 22119, 29492, 44238, 66357, 76103, 88476, 132714, 152206, 228309, 265428, 304412, 456618, 684927, 913236, 1369854, 2739708, 5555519, 7686403, 11111038, 15372806, 16666557, 22222076, 23059209, 30745612, 33333114, 46118418, 49999671, 66666228, 69177627, 92236836, 99999342, 138355254, 199998684, 276710508, 561107419, 1122214838, 1683322257, 2244429676, 3366644514, 5049966771, 6733289028, 10099933542, 20199867084]

約数ペア:

[(1, 20199867084), (2, 10099933542), (3, 6733289028), (4, 5049966771), (6, 3366644514), (9, 2244429676), (12, 1683322257), (18, 1122214838), (36, 561107419), (73, 276710508), (101, 199998684), (146, 138355254), (202, 99999342), (219, 92236836), (292, 69177627), (303, 66666228), (404, 49999671), (438, 46118418), (606, 33333114), (657, 30745612), (876, 23059209), (909, 22222076), (1212, 16666557), (1314, 15372806), (1818, 11111038), (2628, 7686403), (3636, 5555519), (7373, 2739708), (14746, 1369854), (22119, 913236), (29492, 684927), (44238, 456618), (66357, 304412), (76103, 265428), (88476, 228309), (132714, 152206)]