20255403

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11621}}^1$

素因数の和:11714

約数の個数: 16

約数和(自身を含む): 31239936

約数和(自身を除く): 10984533

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 11621, 34863, 81347, 244041, 964543, 2893629, 6751801, 20255403]

約数ペア:

[(1, 20255403), (3, 6751801), (7, 2893629), (21, 964543), (83, 244041), (249, 81347), (581, 34863), (1743, 11621)]