20090049

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7193}}^1$

素因数の和:7229

約数の個数: 24

約数和(自身を含む): 32804640

約数和(自身を除く): 12714591

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7193, 21579, 50351, 136667, 151053, 352457, 410001, 956669, 1057371, 2870007, 6696683, 20090049]

約数ペア:

[(1, 20090049), (3, 6696683), (7, 2870007), (19, 1057371), (21, 956669), (49, 410001), (57, 352457), (133, 151053), (147, 136667), (399, 50351), (931, 21579), (2793, 7193)]