20279049

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6481}}^1$

素因数の和:6640

約数の個数: 16

約数和(自身を含む): 31113600

約数和(自身を除く): 10834551

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6481, 19443, 45367, 136101, 965669, 2897007, 6759683, 20279049]

約数ペア:

[(1, 20279049), (3, 6759683), (7, 2897007), (21, 965669), (149, 136101), (447, 45367), (1043, 19443), (3129, 6481)]