20210047

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 25288704

約数和(自身を除く): 5078657

約数列:

[1, 11, 13, 31, 47, 97, 143, 341, 403, 517, 611, 1067, 1261, 1457, 3007, 4433, 4559, 6721, 13871, 16027, 18941, 33077, 39091, 50149, 59267, 141329, 208351, 430001, 651937, 1554619, 1837277, 20210047]

約数ペア:

[(1, 20210047), (11, 1837277), (13, 1554619), (31, 651937), (47, 430001), (97, 208351), (143, 141329), (341, 59267), (403, 50149), (517, 39091), (611, 33077), (1067, 18941), (1261, 16027), (1457, 13871), (3007, 6721), (4433, 4559)]