4420172020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20091691}}^1$

素因数の和:20091711

約数の個数: 24

約数和(自身を含む): 10126212768

約数和(自身を除く): 5706040748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 20091691, 40183382, 80366764, 100458455, 200916910, 221008601, 401833820, 442017202, 884034404, 1105043005, 2210086010, 4420172020]

約数ペア:

[(1, 4420172020), (2, 2210086010), (4, 1105043005), (5, 884034404), (10, 442017202), (11, 401833820), (20, 221008601), (22, 200916910), (44, 100458455), (55, 80366764), (110, 40183382), (220, 20091691)]