20420803

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 23143680

約数和(自身を除く): 2722877

約数列:

[1, 13, 23, 163, 299, 419, 2119, 3749, 5447, 9637, 48737, 68297, 125281, 887861, 1570831, 20420803]

約数ペア:

[(1, 20420803), (13, 1570831), (23, 887861), (163, 125281), (299, 68297), (419, 48737), (2119, 9637), (3749, 5447)]