20785845482655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4637}}^1\times {\mathrm{327317}}^1$

素因数の和:332056

約数の個数: 64

約数和(自身を含む): 36725896585728

約数和(自身を除く): 15940051103073

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 2739, 4565, 4637, 13695, 13911, 23185, 51007, 69555, 153021, 255035, 327317, 384871, 765105, 981951, 1154613, 1636585, 1924355, 3600487, 4233581, 4909755, 5773065, 10801461, 12700743, 18002435, 21167905, 27167311, 54007305, 63503715, 81501933, 135836555, 298840421, 407509665, 896521263, 1494202105, 1517768929, 4482606315, 4553306787, 7588844645, 16695458219, 22766533935, 50086374657, 83477291095, 125974821107, 250431873285, 377924463321, 629874105535, 1385723032177, 1889622316605, 4157169096531, 6928615160885, 20785845482655]

約数ペア:

[(1, 20785845482655), (3, 6928615160885), (5, 4157169096531), (11, 1889622316605), (15, 1385723032177), (33, 629874105535), (55, 377924463321), (83, 250431873285), (165, 125974821107), (249, 83477291095), (415, 50086374657), (913, 22766533935), (1245, 16695458219), (2739, 7588844645), (4565, 4553306787), (4637, 4482606315), (13695, 1517768929), (13911, 1494202105), (23185, 896521263), (51007, 407509665), (69555, 298840421), (153021, 135836555), (255035, 81501933), (327317, 63503715), (384871, 54007305), (765105, 27167311), (981951, 21167905), (1154613, 18002435), (1636585, 12700743), (1924355, 10801461), (3600487, 5773065), (4233581, 4909755)]