20041900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6911}}^1$

素因数の和:6954

約数の個数: 36

約数和(自身を含む): 44997120

約数和(自身を除く): 24955220

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6911, 13822, 27644, 34555, 69110, 138220, 172775, 200419, 345550, 400838, 691100, 801676, 1002095, 2004190, 4008380, 5010475, 10020950, 20041900]

約数ペア:

[(1, 20041900), (2, 10020950), (4, 5010475), (5, 4008380), (10, 2004190), (20, 1002095), (25, 801676), (29, 691100), (50, 400838), (58, 345550), (100, 200419), (116, 172775), (145, 138220), (290, 69110), (580, 34555), (725, 27644), (1450, 13822), (2900, 6911)]