20880088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137369}}^1$

素因数の和:137394

約数の個数: 16

約数和(自身を含む): 41211000

約数和(自身を除く): 20330912

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137369, 274738, 549476, 1098952, 2610011, 5220022, 10440044, 20880088]

約数ペア:

[(1, 20880088), (2, 10440044), (4, 5220022), (8, 2610011), (19, 1098952), (38, 549476), (76, 274738), (152, 137369)]