20942020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95191}}^1$

素因数の和:95211

約数の個数: 24

約数和(自身を含む): 47976768

約数和(自身を除く): 27034748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95191, 190382, 380764, 475955, 951910, 1047101, 1903820, 2094202, 4188404, 5235505, 10471010, 20942020]

約数ペア:

[(1, 20942020), (2, 10471010), (4, 5235505), (5, 4188404), (10, 2094202), (11, 1903820), (20, 1047101), (22, 951910), (44, 475955), (55, 380764), (110, 190382), (220, 95191)]