20187628864

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{24263977}}^1$

素因数の和:24264002

約数の個数: 28

約数和(自身を含む): 43141352884

約数和(自身を除く): 22953724020

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 24263977, 48527954, 97055908, 194111816, 315431701, 388223632, 630863402, 776447264, 1261726804, 1552894528, 2523453608, 5046907216, 10093814432, 20187628864]

約数ペア:

[(1, 20187628864), (2, 10093814432), (4, 5046907216), (8, 2523453608), (13, 1552894528), (16, 1261726804), (26, 776447264), (32, 630863402), (52, 388223632), (64, 315431701), (104, 194111816), (208, 97055908), (416, 48527954), (832, 24263977)]