200909180

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{6829}}^1$

素因数の和:8309

約数の個数: 24

約数和(自身を含む): 422257920

約数和(自身を除く): 221348740

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2942, 5884, 6829, 7355, 13658, 14710, 27316, 29420, 34145, 68290, 136580, 10045459, 20090918, 40181836, 50227295, 100454590, 200909180]

約数ペア:

[(1, 200909180), (2, 100454590), (4, 50227295), (5, 40181836), (10, 20090918), (20, 10045459), (1471, 136580), (2942, 68290), (5884, 34145), (6829, 29420), (7355, 27316), (13658, 14710)]