20468366908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{256021}}^1$

素因数の和:256138

約数の個数: 48

約数和(自身を含む): 41291228160

約数和(自身を除く): 20822861252

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 79, 92, 158, 253, 316, 506, 869, 1012, 1738, 1817, 3476, 3634, 7268, 19987, 39974, 79948, 256021, 512042, 1024084, 2816231, 5632462, 5888483, 11264924, 11776966, 20225659, 23553932, 40451318, 64773313, 80902636, 129546626, 222482249, 259093252, 444964498, 465190157, 889928996, 930380314, 1860760628, 5117091727, 10234183454, 20468366908]

約数ペア:

[(1, 20468366908), (2, 10234183454), (4, 5117091727), (11, 1860760628), (22, 930380314), (23, 889928996), (44, 465190157), (46, 444964498), (79, 259093252), (92, 222482249), (158, 129546626), (253, 80902636), (316, 64773313), (506, 40451318), (869, 23553932), (1012, 20225659), (1738, 11776966), (1817, 11264924), (3476, 5888483), (3634, 5632462), (7268, 2816231), (19987, 1024084), (39974, 512042), (79948, 256021)]