20011100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2063}}^1$

素因数の和:2174

約数の個数: 36

約数和(自身を含む): 43893024

約数和(自身を除く): 23881924

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2063, 2425, 4126, 4850, 8252, 9700, 10315, 20630, 41260, 51575, 103150, 200111, 206300, 400222, 800444, 1000555, 2001110, 4002220, 5002775, 10005550, 20011100]

約数ペア:

[(1, 20011100), (2, 10005550), (4, 5002775), (5, 4002220), (10, 2001110), (20, 1000555), (25, 800444), (50, 400222), (97, 206300), (100, 200111), (194, 103150), (388, 51575), (485, 41260), (970, 20630), (1940, 10315), (2063, 9700), (2425, 8252), (4126, 4850)]