2017887580

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{152639}}^1$

素因数の和:153309

約数の個数: 24

約数和(自身を含む): 4244002560

約数和(自身を除く): 2226114980

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 152639, 305278, 610556, 763195, 1526390, 3052780, 100894379, 201788758, 403577516, 504471895, 1008943790, 2017887580]

約数ペア:

[(1, 2017887580), (2, 1008943790), (4, 504471895), (5, 403577516), (10, 201788758), (20, 100894379), (661, 3052780), (1322, 1526390), (2644, 763195), (3305, 610556), (6610, 305278), (13220, 152639)]