20973351

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34439}}^1$

素因数の和:34478

約数の個数: 16

約数和(自身を含む): 33062400

約数和(自身を除く): 12089049

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 34439, 103317, 241073, 723219, 998731, 2996193, 6991117, 20973351]

約数ペア:

[(1, 20973351), (3, 6991117), (7, 2996193), (21, 998731), (29, 723219), (87, 241073), (203, 103317), (609, 34439)]