20696855

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 25406784

約数和(自身を除く): 4709929

約数列:

[1, 5, 71, 173, 337, 355, 865, 1685, 12283, 23927, 58301, 61415, 119635, 291505, 4139371, 20696855]

約数ペア:

[(1, 20696855), (5, 4139371), (71, 291505), (173, 119635), (337, 61415), (355, 58301), (865, 23927), (1685, 12283)]