20921927

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 2786233

約数列:

[1, 13, 23, 167, 299, 419, 2171, 3841, 5447, 9637, 49933, 69973, 125281, 909649, 1609379, 20921927]

約数ペア:

[(1, 20921927), (13, 1609379), (23, 909649), (167, 125281), (299, 69973), (419, 49933), (2171, 9637), (3841, 5447)]