20630463581

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{40841}}^1$

素因数の和:40942

約数の個数: 36

約数和(自身を含む): 26413419924

約数和(自身を除く): 5782956343

約数列:

[1, 7, 13, 49, 61, 91, 169, 427, 637, 793, 1183, 2989, 5551, 8281, 10309, 38857, 40841, 72163, 285887, 505141, 530933, 2001209, 2491301, 3716531, 6902129, 17439107, 26015717, 32386913, 48314903, 122073749, 226708391, 338204321, 421029869, 1586958737, 2947209083, 20630463581]

約数ペア:

[(1, 20630463581), (7, 2947209083), (13, 1586958737), (49, 421029869), (61, 338204321), (91, 226708391), (169, 122073749), (427, 48314903), (637, 32386913), (793, 26015717), (1183, 17439107), (2989, 6902129), (5551, 3716531), (8281, 2491301), (10309, 2001209), (38857, 530933), (40841, 505141), (72163, 285887)]