20199267018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1223753}}^1$

素因数の和:1223899

約数の個数: 48

約数和(自身を含む): 50399084736

約数和(自身を除く): 30199817718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1834, 2358, 2751, 5502, 8253, 16506, 1223753, 2447506, 3671259, 7342518, 8566271, 11013777, 17132542, 22027554, 25698813, 51397626, 77096439, 154192878, 160311643, 320623286, 480934929, 961869858, 1122181501, 1442804787, 2244363002, 2885609574, 3366544503, 6733089006, 10099633509, 20199267018]

約数ペア:

[(1, 20199267018), (2, 10099633509), (3, 6733089006), (6, 3366544503), (7, 2885609574), (9, 2244363002), (14, 1442804787), (18, 1122181501), (21, 961869858), (42, 480934929), (63, 320623286), (126, 160311643), (131, 154192878), (262, 77096439), (393, 51397626), (786, 25698813), (917, 22027554), (1179, 17132542), (1834, 11013777), (2358, 8566271), (2751, 7342518), (5502, 3671259), (8253, 2447506), (16506, 1223753)]