20756824

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 43905960

約数和(自身を除く): 23149136

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 121, 164, 242, 328, 451, 484, 523, 902, 968, 1046, 1804, 2092, 3608, 4184, 4961, 5753, 9922, 11506, 19844, 21443, 23012, 39688, 42886, 46024, 63283, 85772, 126566, 171544, 235873, 253132, 471746, 506264, 943492, 1886984, 2594603, 5189206, 10378412, 20756824]

約数ペア:

[(1, 20756824), (2, 10378412), (4, 5189206), (8, 2594603), (11, 1886984), (22, 943492), (41, 506264), (44, 471746), (82, 253132), (88, 235873), (121, 171544), (164, 126566), (242, 85772), (328, 63283), (451, 46024), (484, 42886), (523, 39688), (902, 23012), (968, 21443), (1046, 19844), (1804, 11506), (2092, 9922), (3608, 5753), (4184, 4961)]