20710179

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3389}}^1$

素因数の和:3499

約数の個数: 24

約数和(自身を含む): 34550880

約数和(自身を除く): 13840701

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3389, 6111, 10167, 23723, 30501, 71169, 213507, 328733, 986199, 2301131, 2958597, 6903393, 20710179]

約数ペア:

[(1, 20710179), (3, 6903393), (7, 2958597), (9, 2301131), (21, 986199), (63, 328733), (97, 213507), (291, 71169), (679, 30501), (873, 23723), (2037, 10167), (3389, 6111)]