20022723

素因数分解:

$3^2\times 7^2\times {\mathrm{45403}}^1$

素因数の和:45423

約数の個数: 18

約数和(自身を含む): 33644364

約数和(自身を除く): 13621641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45403, 136209, 317821, 408627, 953463, 2224747, 2860389, 6674241, 20022723]

約数ペア:

[(1, 20022723), (3, 6674241), (7, 2860389), (9, 2224747), (21, 953463), (49, 408627), (63, 317821), (147, 136209), (441, 45403)]