20798326107

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{708221}}^1$

素因数の和:708491

約数の個数: 24

約数和(自身を含む): 32481893808

約数和(自身を除く): 11683567701

約数列:

[1, 3, 9, 13, 39, 117, 251, 753, 2259, 3263, 9789, 29367, 708221, 2124663, 6373989, 9206873, 27620619, 82861857, 177763471, 533290413, 1599871239, 2310925123, 6932775369, 20798326107]

約数ペア:

[(1, 20798326107), (3, 6932775369), (9, 2310925123), (13, 1599871239), (39, 533290413), (117, 177763471), (251, 82861857), (753, 27620619), (2259, 9206873), (3263, 6373989), (9789, 2124663), (29367, 708221)]