20880147216

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{110491}}^1$

素因数の和:110660

約数の個数: 80

約数和(自身を含む): 56119328768

約数和(自身を除く): 35239181552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 127, 186, 248, 254, 372, 381, 496, 508, 744, 762, 1016, 1488, 1524, 2032, 3048, 3937, 6096, 7874, 11811, 15748, 23622, 31496, 47244, 62992, 94488, 110491, 188976, 220982, 331473, 441964, 662946, 883928, 1325892, 1767856, 2651784, 3425221, 5303568, 6850442, 10275663, 13700884, 14032357, 20551326, 27401768, 28064714, 41102652, 42097071, 54803536, 56129428, 82205304, 84194142, 112258856, 164410608, 168388284, 224517712, 336776568, 435003067, 673553136, 870006134, 1305009201, 1740012268, 2610018402, 3480024536, 5220036804, 6960049072, 10440073608, 20880147216]

約数ペア:

[(1, 20880147216), (2, 10440073608), (3, 6960049072), (4, 5220036804), (6, 3480024536), (8, 2610018402), (12, 1740012268), (16, 1305009201), (24, 870006134), (31, 673553136), (48, 435003067), (62, 336776568), (93, 224517712), (124, 168388284), (127, 164410608), (186, 112258856), (248, 84194142), (254, 82205304), (372, 56129428), (381, 54803536), (496, 42097071), (508, 41102652), (744, 28064714), (762, 27401768), (1016, 20551326), (1488, 14032357), (1524, 13700884), (2032, 10275663), (3048, 6850442), (3937, 5303568), (6096, 3425221), (7874, 2651784), (11811, 1767856), (15748, 1325892), (23622, 883928), (31496, 662946), (47244, 441964), (62992, 331473), (94488, 220982), (110491, 188976)]