20490012

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10739}}^1$

素因数の和:10802

約数の個数: 36

約数和(自身を含む): 52776360

約数和(自身を除く): 32286348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10739, 21478, 32217, 42956, 64434, 96651, 128868, 193302, 386604, 569167, 1138334, 1707501, 2276668, 3415002, 5122503, 6830004, 10245006, 20490012]

約数ペア:

[(1, 20490012), (2, 10245006), (3, 6830004), (4, 5122503), (6, 3415002), (9, 2276668), (12, 1707501), (18, 1138334), (36, 569167), (53, 386604), (106, 193302), (159, 128868), (212, 96651), (318, 64434), (477, 42956), (636, 32217), (954, 21478), (1908, 10739)]