20403341

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 24069888

約数和(自身を除く): 3666547

約数列:

[1, 7, 61, 71, 427, 497, 673, 4331, 4711, 30317, 41053, 47783, 287371, 334481, 2914763, 20403341]

約数ペア:

[(1, 20403341), (7, 2914763), (61, 334481), (71, 287371), (427, 47783), (497, 41053), (673, 30317), (4331, 4711)]