20804877261

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7026301}}^1$

素因数の和:7026361

約数の個数: 24

約数和(自身を含む): 35075299584

約数和(自身を除く): 14270422323

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 7026301, 21078903, 49184107, 63236709, 147552321, 330236147, 442656963, 990708441, 2311653029, 2972125323, 6934959087, 20804877261]

約数ペア:

[(1, 20804877261), (3, 6934959087), (7, 2972125323), (9, 2311653029), (21, 990708441), (47, 442656963), (63, 330236147), (141, 147552321), (329, 63236709), (423, 49184107), (987, 21078903), (2961, 7026301)]