205679980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{934909}}^1$

素因数の和:934929

約数の個数: 24

約数和(自身を含む): 471194640

約数和(自身を除く): 265514660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 934909, 1869818, 3739636, 4674545, 9349090, 10283999, 18698180, 20567998, 41135996, 51419995, 102839990, 205679980]

約数ペア:

[(1, 205679980), (2, 102839990), (4, 51419995), (5, 41135996), (10, 20567998), (11, 18698180), (20, 10283999), (22, 9349090), (44, 4674545), (55, 3739636), (110, 1869818), (220, 934909)]