20404317

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2593}}^1$

素因数の和:2700

約数の個数: 16

約数和(自身を含む): 28305728

約数和(自身を除く): 7901411

約数列:

[1, 3, 43, 61, 129, 183, 2593, 2623, 7779, 7869, 111499, 158173, 334497, 474519, 6801439, 20404317]

約数ペア:

[(1, 20404317), (3, 6801439), (43, 474519), (61, 334497), (129, 158173), (183, 111499), (2593, 7869), (2623, 7779)]