20547215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1117}}^1$

素因数の和:1418

約数の個数: 16

約数和(自身を含む): 26671008

約数和(自身を除く): 6123793

約数列:

[1, 5, 13, 65, 283, 1117, 1415, 3679, 5585, 14521, 18395, 72605, 316111, 1580555, 4109443, 20547215]

約数ペア:

[(1, 20547215), (5, 4109443), (13, 1580555), (65, 316111), (283, 72605), (1117, 18395), (1415, 14521), (3679, 5585)]