20343922

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:801

約数の個数: 16

約数和(自身を含む): 31075200

約数和(自身を除く): 10731278

約数列:

[1, 2, 79, 158, 331, 389, 662, 778, 26149, 30731, 52298, 61462, 128759, 257518, 10171961, 20343922]

約数ペア:

[(1, 20343922), (2, 10171961), (79, 257518), (158, 128759), (331, 61462), (389, 52298), (662, 30731), (778, 26149)]