20371484

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10859}}^1$

素因数の和:10937

約数の個数: 24

約数和(自身を含む): 41354880

約数和(自身を除く): 20983396

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10859, 21718, 43436, 76013, 152026, 304052, 727553, 1455106, 2910212, 5092871, 10185742, 20371484]

約数ペア:

[(1, 20371484), (2, 10185742), (4, 5092871), (7, 2910212), (14, 1455106), (28, 727553), (67, 304052), (134, 152026), (268, 76013), (469, 43436), (938, 21718), (1876, 10859)]