2020821

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 3128160

約数和(自身を除く): 1107339

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 293, 363, 627, 879, 2299, 3223, 5567, 6897, 9669, 16701, 35453, 61237, 106359, 183711, 673607, 2020821]

約数ペア:

[(1, 2020821), (3, 673607), (11, 183711), (19, 106359), (33, 61237), (57, 35453), (121, 16701), (209, 9669), (293, 6897), (363, 5567), (627, 3223), (879, 2299)]