20199451727

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4337}}^1$

素因数の和:4528

約数の個数: 48

約数和(自身を含む): 26013007872

約数和(自身を除く): 5813556145

約数列:

[1, 7, 13, 31, 91, 127, 169, 217, 403, 889, 1183, 1651, 2821, 3937, 4337, 5239, 11557, 21463, 27559, 30359, 36673, 51181, 56381, 134447, 150241, 358267, 394667, 550799, 665353, 732953, 941129, 1747811, 3855593, 4657471, 5130671, 7160387, 12234677, 17074769, 22721543, 50122709, 93085031, 119523383, 159050801, 221971997, 651595217, 1553803979, 2885635961, 20199451727]

約数ペア:

[(1, 20199451727), (7, 2885635961), (13, 1553803979), (31, 651595217), (91, 221971997), (127, 159050801), (169, 119523383), (217, 93085031), (403, 50122709), (889, 22721543), (1183, 17074769), (1651, 12234677), (2821, 7160387), (3937, 5130671), (4337, 4657471), (5239, 3855593), (11557, 1747811), (21463, 941129), (27559, 732953), (30359, 665353), (36673, 550799), (51181, 394667), (56381, 358267), (134447, 150241)]