20963668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3637}}^1$

素因数の和:3783

約数の個数: 24

約数和(自身を含む): 40338144

約数和(自身を除く): 19374476

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3637, 5764, 7274, 14548, 40007, 80014, 160028, 476447, 952894, 1905788, 5240917, 10481834, 20963668]

約数ペア:

[(1, 20963668), (2, 10481834), (4, 5240917), (11, 1905788), (22, 952894), (44, 476447), (131, 160028), (262, 80014), (524, 40007), (1441, 14548), (2882, 7274), (3637, 5764)]