20178554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{2459}}^1$

素因数の和:2845

約数の個数: 16

約数和(自身を含む): 33121440

約数和(自身を除く): 12942886

約数列:

[1, 2, 11, 22, 373, 746, 2459, 4103, 4918, 8206, 27049, 54098, 917207, 1834414, 10089277, 20178554]

約数ペア:

[(1, 20178554), (2, 10089277), (11, 1834414), (22, 917207), (373, 54098), (746, 27049), (2459, 8206), (4103, 4918)]