20973819

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 7475973

約数列:

[1, 3, 107, 223, 293, 321, 669, 879, 23861, 31351, 65339, 71583, 94053, 196017, 6991273, 20973819]

約数ペア:

[(1, 20973819), (3, 6991273), (107, 196017), (223, 94053), (293, 71583), (321, 65339), (669, 31351), (879, 23861)]