20059887

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6761}}^1$

素因数の和:6830

約数の個数: 16

約数和(自身を含む): 28562688

約数和(自身を除く): 8502801

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6761, 20283, 155503, 290723, 466509, 872169, 6686629, 20059887]

約数ペア:

[(1, 20059887), (3, 6686629), (23, 872169), (43, 466509), (69, 290723), (129, 155503), (989, 20283), (2967, 6761)]