20459164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1098

約数の個数: 36

約数和(自身を含む): 40353264

約数和(自身を除く): 19894100

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1031, 1804, 2062, 4124, 4961, 9922, 11341, 19844, 22682, 42271, 45364, 84542, 124751, 169084, 249502, 464981, 499004, 929962, 1859924, 5114791, 10229582, 20459164]

約数ペア:

[(1, 20459164), (2, 10229582), (4, 5114791), (11, 1859924), (22, 929962), (41, 499004), (44, 464981), (82, 249502), (121, 169084), (164, 124751), (242, 84542), (451, 45364), (484, 42271), (902, 22682), (1031, 19844), (1804, 11341), (2062, 9922), (4124, 4961)]