20990022

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1823}}^1$

素因数の和:1948

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 23661498

約数列:

[1, 2, 3, 6, 19, 38, 57, 101, 114, 202, 303, 606, 1823, 1919, 3646, 3838, 5469, 5757, 10938, 11514, 34637, 69274, 103911, 184123, 207822, 368246, 552369, 1104738, 3498337, 6996674, 10495011, 20990022]

約数ペア:

[(1, 20990022), (2, 10495011), (3, 6996674), (6, 3498337), (19, 1104738), (38, 552369), (57, 368246), (101, 207822), (114, 184123), (202, 103911), (303, 69274), (606, 34637), (1823, 11514), (1919, 10938), (3646, 5757), (3838, 5469)]