20819669

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2767531

約数列:

[1, 13, 23, 179, 299, 389, 2327, 4117, 5057, 8947, 53521, 69631, 116311, 905203, 1601513, 20819669]

約数ペア:

[(1, 20819669), (13, 1601513), (23, 905203), (179, 116311), (299, 69631), (389, 53521), (2327, 8947), (4117, 5057)]