220173910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2001581}}^1$

素因数の和:2001599

約数の個数: 16

約数和(自身を含む): 432341712

約数和(自身を除く): 212167802

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2001581, 4003162, 10007905, 20015810, 22017391, 44034782, 110086955, 220173910]

約数ペア:

[(1, 220173910), (2, 110086955), (5, 44034782), (10, 22017391), (11, 20015810), (22, 10007905), (55, 4003162), (110, 2001581)]