20824925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1847}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 28873152

約数和(自身を除く): 8048227

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1847, 2255, 9235, 11275, 20317, 46175, 75727, 101585, 378635, 507925, 832997, 1893175, 4164985, 20824925]

約数ペア:

[(1, 20824925), (5, 4164985), (11, 1893175), (25, 832997), (41, 507925), (55, 378635), (205, 101585), (275, 75727), (451, 46175), (1025, 20317), (1847, 11275), (2255, 9235)]