20975444

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12697}}^1$

素因数の和:12767

約数の個数: 24

約数和(自身を含む): 42665280

約数和(自身を除く): 21689836

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12697, 25394, 50788, 88879, 177758, 355516, 749123, 1498246, 2996492, 5243861, 10487722, 20975444]

約数ペア:

[(1, 20975444), (2, 10487722), (4, 5243861), (7, 2996492), (14, 1498246), (28, 749123), (59, 355516), (118, 177758), (236, 88879), (413, 50788), (826, 25394), (1652, 12697)]