20407065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{194353}}^1$

素因数の和:194368

約数の個数: 16

約数和(自身を含む): 37315968

約数和(自身を除く): 16908903

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 194353, 583059, 971765, 1360471, 2915295, 4081413, 6802355, 20407065]

約数ペア:

[(1, 20407065), (3, 6802355), (5, 4081413), (7, 2915295), (15, 1360471), (21, 971765), (35, 583059), (105, 194353)]