20708345

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15991}}^1$

素因数の和:16040

約数の個数: 16

約数和(自身を含む): 29169408

約数和(自身を除く): 8461063

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15991, 79955, 111937, 559685, 591667, 2958335, 4141669, 20708345]

約数ペア:

[(1, 20708345), (5, 4141669), (7, 2958335), (35, 591667), (37, 559685), (185, 111937), (259, 79955), (1295, 15991)]