20560546

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1063}}^1$

素因数の和:1593

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 11997854

約数列:

[1, 2, 19, 38, 509, 1018, 1063, 2126, 9671, 19342, 20197, 40394, 541067, 1082134, 10280273, 20560546]

約数ペア:

[(1, 20560546), (2, 10280273), (19, 1082134), (38, 541067), (509, 40394), (1018, 20197), (1063, 19342), (2126, 9671)]