20811340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94597}}^1$

素因数の和:94617

約数の個数: 24

約数和(自身を含む): 47677392

約数和(自身を除く): 26866052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94597, 189194, 378388, 472985, 945970, 1040567, 1891940, 2081134, 4162268, 5202835, 10405670, 20811340]

約数ペア:

[(1, 20811340), (2, 10405670), (4, 5202835), (5, 4162268), (10, 2081134), (11, 1891940), (20, 1040567), (22, 945970), (44, 472985), (55, 378388), (110, 189194), (220, 94597)]