20089940241

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1215583}}^1$

素因数の和:1216380

約数の個数: 16

約数和(自身を含む): 30652166144

約数和(自身を除く): 10562225903

約数列:

[1, 3, 7, 21, 787, 2361, 5509, 16527, 1215583, 3646749, 8509081, 25527243, 956663821, 2869991463, 6696646747, 20089940241]

約数ペア:

[(1, 20089940241), (3, 6696646747), (7, 2869991463), (21, 956663821), (787, 25527243), (2361, 8509081), (5509, 3646749), (16527, 1215583)]