20345988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130423}}^1$

素因数の和:130443

約数の個数: 24

約数和(自身を含む): 51126208

約数和(自身を除く): 30780220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130423, 260846, 391269, 521692, 782538, 1565076, 1695499, 3390998, 5086497, 6781996, 10172994, 20345988]

約数ペア:

[(1, 20345988), (2, 10172994), (3, 6781996), (4, 5086497), (6, 3390998), (12, 1695499), (13, 1565076), (26, 782538), (39, 521692), (52, 391269), (78, 260846), (156, 130423)]