20763903

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5437}}^1$

素因数の和:5526

約数の個数: 16

約数和(自身を含む): 29582720

約数和(自身を除く): 8818817

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5437, 16311, 103303, 309909, 364279, 1092837, 6921301, 20763903]

約数ペア:

[(1, 20763903), (3, 6921301), (19, 1092837), (57, 364279), (67, 309909), (201, 103303), (1273, 16311), (3819, 5437)]