20703387

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{71}}^2$

素因数の和:219

約数の個数: 18

約数和(自身を含む): 28775964

約数和(自身を除く): 8072577

約数列:

[1, 3, 37, 71, 111, 213, 1369, 2627, 4107, 5041, 7881, 15123, 97199, 186517, 291597, 559551, 6901129, 20703387]

約数ペア:

[(1, 20703387), (3, 6901129), (37, 559551), (71, 291597), (111, 186517), (213, 97199), (1369, 15123), (2627, 7881), (4107, 5041)]