22278020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21017}}^1$

素因数の和:21079

約数の個数: 24

約数和(自身を含む): 47668824

約数和(自身を除く): 25390804

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 21017, 42034, 84068, 105085, 210170, 420340, 1113901, 2227802, 4455604, 5569505, 11139010, 22278020]

約数ペア:

[(1, 22278020), (2, 11139010), (4, 5569505), (5, 4455604), (10, 2227802), (20, 1113901), (53, 420340), (106, 210170), (212, 105085), (265, 84068), (530, 42034), (1060, 21017)]