20498852

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1100

約数の個数: 36

約数和(自身を含む): 40431468

約数和(自身を除く): 19932616

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1033, 1804, 2066, 4132, 4961, 9922, 11363, 19844, 22726, 42353, 45452, 84706, 124993, 169412, 249986, 465883, 499972, 931766, 1863532, 5124713, 10249426, 20498852]

約数ペア:

[(1, 20498852), (2, 10249426), (4, 5124713), (11, 1863532), (22, 931766), (41, 499972), (44, 465883), (82, 249986), (121, 169412), (164, 124993), (242, 84706), (451, 45452), (484, 42353), (902, 22726), (1033, 19844), (1804, 11363), (2066, 9922), (4132, 4961)]