20881627

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4973}}^1$

素因数の和:5022

約数の個数: 16

約数和(自身を含む): 25068960

約数和(自身を除く): 4187333

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4973, 64649, 84541, 94487, 1099033, 1228331, 1606279, 20881627]

約数ペア:

[(1, 20881627), (13, 1606279), (17, 1228331), (19, 1099033), (221, 94487), (247, 84541), (323, 64649), (4199, 4973)]