20027455

素因数分解:

$5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1621}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 27561024

約数和(自身を除く): 7533569

約数列:

[1, 5, 7, 35, 353, 1621, 1765, 2471, 8105, 11347, 12355, 56735, 572213, 2861065, 4005491, 20027455]

約数ペア:

[(1, 20027455), (5, 4005491), (7, 2861065), (35, 572213), (353, 56735), (1621, 12355), (1765, 11347), (2471, 8105)]