20486676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243889}}^1$

素因数の和:243903

約数の個数: 24

約数和(自身を含む): 54631360

約数和(自身を除く): 34144684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243889, 487778, 731667, 975556, 1463334, 1707223, 2926668, 3414446, 5121669, 6828892, 10243338, 20486676]

約数ペア:

[(1, 20486676), (2, 10243338), (3, 6828892), (4, 5121669), (6, 3414446), (7, 2926668), (12, 1707223), (14, 1463334), (21, 975556), (28, 731667), (42, 487778), (84, 243889)]