20844265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6823}}^1$

素因数の和:6888

約数の個数: 16

約数和(自身を含む): 27514368

約数和(自身を除く): 6670103

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6823, 34115, 88699, 320681, 443495, 1603405, 4168853, 20844265]

約数ペア:

[(1, 20844265), (5, 4168853), (13, 1603405), (47, 443495), (65, 320681), (235, 88699), (611, 34115), (3055, 6823)]