20967628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20719}}^1$

素因数の和:20757

約数の個数: 24

約数和(自身を含む): 41771520

約数和(自身を除く): 20803892

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20719, 41438, 82876, 227909, 455818, 476537, 911636, 953074, 1906148, 5241907, 10483814, 20967628]

約数ペア:

[(1, 20967628), (2, 10483814), (4, 5241907), (11, 1906148), (22, 953074), (23, 911636), (44, 476537), (46, 455818), (92, 227909), (253, 82876), (506, 41438), (1012, 20719)]