20077805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1637}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 26417664

約数和(自身を除く): 6339859

約数列:

[1, 5, 11, 55, 223, 1115, 1637, 2453, 8185, 12265, 18007, 90035, 365051, 1825255, 4015561, 20077805]

約数ペア:

[(1, 20077805), (5, 4015561), (11, 1825255), (55, 365051), (223, 90035), (1115, 18007), (1637, 12265), (2453, 8185)]