20180887925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1706629}}^1$

素因数の和:1706693

約数の個数: 24

約数和(自身を含む): 27934119840

約数和(自身を除く): 7753231915

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 2365, 11825, 1706629, 8533145, 18772919, 42665725, 73385047, 93864595, 366925235, 469322975, 807235517, 1834626175, 4036177585, 20180887925]

約数ペア:

[(1, 20180887925), (5, 4036177585), (11, 1834626175), (25, 807235517), (43, 469322975), (55, 366925235), (215, 93864595), (275, 73385047), (473, 42665725), (1075, 18772919), (2365, 8533145), (11825, 1706629)]