20580619311

素因数分解:

$3^2\times 7^2\times {\mathrm{46668071}}^1$

素因数の和:46668091

約数の個数: 18

約数和(自身を含む): 34581041352

約数和(自身を除く): 14000422041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46668071, 140004213, 326676497, 420012639, 980029491, 2286735479, 2940088473, 6860206437, 20580619311]

約数ペア:

[(1, 20580619311), (3, 6860206437), (7, 2940088473), (9, 2286735479), (21, 980029491), (49, 420012639), (63, 326676497), (147, 140004213), (441, 46668071)]