20178788428

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{547}}^1\times {\mathrm{619}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 36302676480

約数和(自身を除く): 16123888052

約数列:

[1, 2, 4, 47, 94, 188, 317, 547, 619, 634, 1094, 1238, 1268, 2188, 2476, 14899, 25709, 29093, 29798, 51418, 58186, 59596, 102836, 116372, 173399, 196223, 338593, 346798, 392446, 677186, 693596, 784892, 1354372, 8149753, 9222481, 15913871, 16299506, 18444962, 31827742, 32599012, 36889924, 63655484, 107333981, 214667962, 429335924, 5044697107, 10089394214, 20178788428]

約数ペア:

[(1, 20178788428), (2, 10089394214), (4, 5044697107), (47, 429335924), (94, 214667962), (188, 107333981), (317, 63655484), (547, 36889924), (619, 32599012), (634, 31827742), (1094, 18444962), (1238, 16299506), (1268, 15913871), (2188, 9222481), (2476, 8149753), (14899, 1354372), (25709, 784892), (29093, 693596), (29798, 677186), (51418, 392446), (58186, 346798), (59596, 338593), (102836, 196223), (116372, 173399)]