20209077

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3307}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 33715136

約数和(自身を除く): 13506059

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3307, 6111, 9921, 23149, 29763, 69447, 208341, 320779, 962337, 2245453, 2887011, 6736359, 20209077]

約数ペア:

[(1, 20209077), (3, 6736359), (7, 2887011), (9, 2245453), (21, 962337), (63, 320779), (97, 208341), (291, 69447), (679, 29763), (873, 23149), (2037, 9921), (3307, 6111)]