20279319

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 27520512

約数和(自身を除く): 7241193

約数列:

[1, 3, 113, 163, 339, 367, 489, 1101, 18419, 41471, 55257, 59821, 124413, 179463, 6759773, 20279319]

約数ペア:

[(1, 20279319), (3, 6759773), (113, 179463), (163, 124413), (339, 59821), (367, 55257), (489, 41471), (1101, 18419)]