20255906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8447}}^1$

素因数の和:8569

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 13198174

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8447, 16894, 92917, 185834, 920723, 1841446, 10127953, 20255906]

約数ペア:

[(1, 20255906), (2, 10127953), (11, 1841446), (22, 920723), (109, 185834), (218, 92917), (1199, 16894), (2398, 8447)]