20696845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2137}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 26938800

約数和(自身を除く): 6241955

約数列:

[1, 5, 13, 65, 149, 745, 1937, 2137, 9685, 10685, 27781, 138905, 318413, 1592065, 4139369, 20696845]

約数ペア:

[(1, 20696845), (5, 4139369), (13, 1592065), (65, 318413), (149, 138905), (745, 27781), (1937, 10685), (2137, 9685)]