20178817174

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{641}}^1\times {\mathrm{941}}^1$

素因数の和:2016

約数の個数: 32

約数和(自身を含む): 31133250720

約数和(自身を除く): 10954433546

約数列:

[1, 2, 43, 86, 389, 641, 778, 941, 1282, 1882, 16727, 27563, 33454, 40463, 55126, 80926, 249349, 366049, 498698, 603181, 732098, 1206362, 10722007, 15740107, 21444014, 25936783, 31480214, 51873566, 234637409, 469274818, 10089408587, 20178817174]

約数ペア:

[(1, 20178817174), (2, 10089408587), (43, 469274818), (86, 234637409), (389, 51873566), (641, 31480214), (778, 25936783), (941, 21444014), (1282, 15740107), (1882, 10722007), (16727, 1206362), (27563, 732098), (33454, 603181), (40463, 498698), (55126, 366049), (80926, 249349)]