20161944860

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1364137}}^1$

素因数の和:1364885

約数の個数: 24

約数和(自身を含む): 42397409040

約数和(自身を除く): 22235464180

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2956, 3695, 7390, 14780, 1364137, 2728274, 5456548, 6820685, 13641370, 27282740, 1008097243, 2016194486, 4032388972, 5040486215, 10080972430, 20161944860]

約数ペア:

[(1, 20161944860), (2, 10080972430), (4, 5040486215), (5, 4032388972), (10, 2016194486), (20, 1008097243), (739, 27282740), (1478, 13641370), (2956, 6820685), (3695, 5456548), (7390, 2728274), (14780, 1364137)]