20179270

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9049}}^1$

素因数の和:9279

約数の個数: 16

約数和(自身を含む): 36489600

約数和(自身を除く): 16310330

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9049, 18098, 45245, 90490, 2017927, 4035854, 10089635, 20179270]

約数ペア:

[(1, 20179270), (2, 10089635), (5, 4035854), (10, 2017927), (223, 90490), (446, 45245), (1115, 18098), (2230, 9049)]