89912020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{408691}}^1$

素因数の和:408711

約数の個数: 24

約数和(自身を含む): 205980768

約数和(自身を除く): 116068748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 408691, 817382, 1634764, 2043455, 4086910, 4495601, 8173820, 8991202, 17982404, 22478005, 44956010, 89912020]

約数ペア:

[(1, 89912020), (2, 44956010), (4, 22478005), (5, 17982404), (10, 8991202), (11, 8173820), (20, 4495601), (22, 4086910), (44, 2043455), (55, 1634764), (110, 817382), (220, 408691)]