20346651

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7561}}^1$

素因数の和:7603

約数の個数: 24

約数和(自身を含む): 33030816

約数和(自身を除く): 12684165

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7561, 22683, 68049, 98293, 173903, 294879, 521709, 884637, 1565127, 2260739, 6782217, 20346651]

約数ペア:

[(1, 20346651), (3, 6782217), (9, 2260739), (13, 1565127), (23, 884637), (39, 521709), (69, 294879), (117, 173903), (207, 98293), (299, 68049), (897, 22683), (2691, 7561)]