20956329

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 31030272

約数和(自身を除く): 10073943

約数列:

[1, 3, 9, 73, 167, 191, 219, 501, 573, 657, 1503, 1719, 12191, 13943, 31897, 36573, 41829, 95691, 109719, 125487, 287073, 2328481, 6985443, 20956329]

約数ペア:

[(1, 20956329), (3, 6985443), (9, 2328481), (73, 287073), (167, 125487), (191, 109719), (219, 95691), (501, 41829), (573, 36573), (657, 31897), (1503, 13943), (1719, 12191)]