20918244

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{17971}}^1$

素因数の和:18075

約数の個数: 24

約数和(自身を含む): 49315168

約数和(自身を除く): 28396924

約数列:

[1, 2, 3, 4, 6, 12, 97, 194, 291, 388, 582, 1164, 17971, 35942, 53913, 71884, 107826, 215652, 1743187, 3486374, 5229561, 6972748, 10459122, 20918244]

約数ペア:

[(1, 20918244), (2, 10459122), (3, 6972748), (4, 5229561), (6, 3486374), (12, 1743187), (97, 215652), (194, 107826), (291, 71884), (388, 53913), (582, 35942), (1164, 17971)]