20737955

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4523}}^1$

素因数の和:4666

約数の個数: 16

約数和(自身を含む): 28664064

約数和(自身を除く): 7926109

約数列:

[1, 5, 7, 35, 131, 655, 917, 4523, 4585, 22615, 31661, 158305, 592513, 2962565, 4147591, 20737955]

約数ペア:

[(1, 20737955), (5, 4147591), (7, 2962565), (35, 592513), (131, 158305), (655, 31661), (917, 22615), (4523, 4585)]