20176573417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{3989}}^1$

素因数の和:4214

約数の個数: 64

約数和(自身を含む): 28142714880

約数和(自身を除く): 7966141463

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 163, 217, 341, 403, 1001, 1141, 1793, 2119, 2387, 2821, 3989, 4433, 5053, 12551, 14833, 23309, 27923, 31031, 35371, 43879, 51857, 55583, 65689, 123659, 163163, 307153, 362999, 389081, 459823, 570427, 650207, 722579, 865613, 1360249, 1607567, 3992989, 4551449, 5058053, 7152277, 8452691, 9521743, 11252969, 17683237, 20156417, 50065939, 59168837, 92979601, 123782659, 141094919, 221720587, 262033421, 650857207, 1552044109, 1834233947, 2882367631, 20176573417]

約数ペア:

[(1, 20176573417), (7, 2882367631), (11, 1834233947), (13, 1552044109), (31, 650857207), (77, 262033421), (91, 221720587), (143, 141094919), (163, 123782659), (217, 92979601), (341, 59168837), (403, 50065939), (1001, 20156417), (1141, 17683237), (1793, 11252969), (2119, 9521743), (2387, 8452691), (2821, 7152277), (3989, 5058053), (4433, 4551449), (5053, 3992989), (12551, 1607567), (14833, 1360249), (23309, 865613), (27923, 722579), (31031, 650207), (35371, 570427), (43879, 459823), (51857, 389081), (55583, 362999), (65689, 307153), (123659, 163163)]