20189739260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23476441}}^1$

素因数の和:23476493

約数の個数: 24

約数和(自身を含む): 43384464816

約数和(自身を除く): 23194725556

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23476441, 46952882, 93905764, 117382205, 234764410, 469528820, 1009486963, 2018973926, 4037947852, 5047434815, 10094869630, 20189739260]

約数ペア:

[(1, 20189739260), (2, 10094869630), (4, 5047434815), (5, 4037947852), (10, 2018973926), (20, 1009486963), (43, 469528820), (86, 234764410), (172, 117382205), (215, 93905764), (430, 46952882), (860, 23476441)]