20407737

素因数分解:

$3^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1277}}^1$

素因数の和:2048

約数の個数: 16

約数和(自身を含む): 31162752

約数和(自身を除く): 10755015

約数列:

[1, 3, 7, 21, 761, 1277, 2283, 3831, 5327, 8939, 15981, 26817, 971797, 2915391, 6802579, 20407737]

約数ペア:

[(1, 20407737), (3, 6802579), (7, 2915391), (21, 971797), (761, 26817), (1277, 15981), (2283, 8939), (3831, 5327)]