2009420913020

素因数分解:

$2^2\times 5^1\times {\mathrm{5647}}^1\times {\mathrm{17791933}}^1$

素因数の和:17797589

約数の個数: 24

約数和(自身を含む): 4220531415744

約数和(自身を除く): 2211110502724

約数列:

[1, 2, 4, 5, 10, 20, 5647, 11294, 22588, 28235, 56470, 112940, 17791933, 35583866, 71167732, 88959665, 177919330, 355838660, 100471045651, 200942091302, 401884182604, 502355228255, 1004710456510, 2009420913020]

約数ペア:

[(1, 2009420913020), (2, 1004710456510), (4, 502355228255), (5, 401884182604), (10, 200942091302), (20, 100471045651), (5647, 355838660), (11294, 177919330), (22588, 88959665), (28235, 71167732), (56470, 35583866), (112940, 17791933)]