20020495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2657}}^1$

素因数の和:2810

約数の個数: 16

約数和(自身を含む): 26409888

約数和(自身を除く): 6389393

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2657, 7535, 13285, 29227, 146135, 364009, 1820045, 4004099, 20020495]

約数ペア:

[(1, 20020495), (5, 4004099), (11, 1820045), (55, 364009), (137, 146135), (685, 29227), (1507, 13285), (2657, 7535)]