20188657630

素因数分解:

$2^1\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{1007921}}^1$

素因数の和:1009931

約数の個数: 16

約数和(自身を含む): 36357762384

約数和(自身を除く): 16169104754

約数列:

[1, 2, 5, 10, 2003, 4006, 10015, 20030, 1007921, 2015842, 5039605, 10079210, 2018865763, 4037731526, 10094328815, 20188657630]

約数ペア:

[(1, 20188657630), (2, 10094328815), (5, 4037731526), (10, 2018865763), (2003, 10079210), (4006, 5039605), (10015, 2015842), (20030, 1007921)]