20025650

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{4129}}^1$

素因数の和:4238

約数の個数: 24

約数和(自身を含む): 37640820

約数和(自身を除く): 17615170

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4129, 4850, 8258, 20645, 41290, 103225, 206450, 400513, 801026, 2002565, 4005130, 10012825, 20025650]

約数ペア:

[(1, 20025650), (2, 10012825), (5, 4005130), (10, 2002565), (25, 801026), (50, 400513), (97, 206450), (194, 103225), (485, 41290), (970, 20645), (2425, 8258), (4129, 4850)]