20920372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8971}}^1$

素因数の和:9039

約数の個数: 24

約数和(自身を含む): 40696992

約数和(自身を除く): 19776620

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8971, 17942, 35884, 98681, 197362, 394724, 475463, 950926, 1901852, 5230093, 10460186, 20920372]

約数ペア:

[(1, 20920372), (2, 10460186), (4, 5230093), (11, 1901852), (22, 950926), (44, 475463), (53, 394724), (106, 197362), (212, 98681), (583, 35884), (1166, 17942), (2332, 8971)]