20395300

素因数分解:

$2^2\times 5^2\times {\mathrm{203953}}^1$

素因数の和:203967

約数の個数: 18

約数和(自身を含む): 44258018

約数和(自身を除く): 23862718

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 203953, 407906, 815812, 1019765, 2039530, 4079060, 5098825, 10197650, 20395300]

約数ペア:

[(1, 20395300), (2, 10197650), (4, 5098825), (5, 4079060), (10, 2039530), (20, 1019765), (25, 815812), (50, 407906), (100, 203953)]