20257419

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74203}}^1$

素因数の和:74226

約数の個数: 16

約数和(自身を含む): 33243392

約数和(自身を除く): 12985973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 74203, 222609, 519421, 964639, 1558263, 2893917, 6752473, 20257419]

約数ペア:

[(1, 20257419), (3, 6752473), (7, 2893917), (13, 1558263), (21, 964639), (39, 519421), (91, 222609), (273, 74203)]