20178290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183439}}^1$

素因数の和:183457

約数の個数: 16

約数和(自身を含む): 39623040

約数和(自身を除く): 19444750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 183439, 366878, 917195, 1834390, 2017829, 4035658, 10089145, 20178290]

約数ペア:

[(1, 20178290), (2, 10089145), (5, 4035658), (10, 2017829), (11, 1834390), (22, 917195), (55, 366878), (110, 183439)]