20090637

素因数分解:

$3^2\times 7^2\times {\mathrm{45557}}^1$

素因数の和:45577

約数の個数: 18

約数和(自身を含む): 33758478

約数和(自身を除く): 13667841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45557, 136671, 318899, 410013, 956697, 2232293, 2870091, 6696879, 20090637]

約数ペア:

[(1, 20090637), (3, 6696879), (7, 2870091), (9, 2232293), (21, 956697), (49, 410013), (63, 318899), (147, 136671), (441, 45557)]