209889460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{954043}}^1$

素因数の和:954063

約数の個数: 24

約数和(自身を含む): 480838176

約数和(自身を除く): 270948716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 954043, 1908086, 3816172, 4770215, 9540430, 10494473, 19080860, 20988946, 41977892, 52472365, 104944730, 209889460]

約数ペア:

[(1, 209889460), (2, 104944730), (4, 52472365), (5, 41977892), (10, 20988946), (11, 19080860), (20, 10494473), (22, 9540430), (44, 4770215), (55, 3816172), (110, 1908086), (220, 954043)]