20199715780

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2300651}}^1$

素因数の和:2301099

約数の個数: 24

約数和(自身を含む): 42516048960

約数和(自身を除く): 22316333180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 2300651, 4601302, 9202604, 11503255, 23006510, 46013020, 1009985789, 2019971578, 4039943156, 5049928945, 10099857890, 20199715780]

約数ペア:

[(1, 20199715780), (2, 10099857890), (4, 5049928945), (5, 4039943156), (10, 2019971578), (20, 1009985789), (439, 46013020), (878, 23006510), (1756, 11503255), (2195, 9202604), (4390, 4601302), (8780, 2300651)]