20119897

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{593}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 23836032

約数和(自身を除く): 3716135

約数列:

[1, 7, 37, 131, 259, 593, 917, 4151, 4847, 21941, 33929, 77683, 153587, 543781, 2874271, 20119897]

約数ペア:

[(1, 20119897), (7, 2874271), (37, 543781), (131, 153587), (259, 77683), (593, 33929), (917, 21941), (4151, 4847)]