20178032864

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{939737}}^1$

素因数の和:939819

約数の個数: 48

約数和(自身を含む): 44047399536

約数和(自身を除く): 23869366672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 88, 122, 176, 244, 352, 488, 671, 976, 1342, 1952, 2684, 5368, 10736, 21472, 939737, 1879474, 3758948, 7517896, 10337107, 15035792, 20674214, 30071584, 41348428, 57323957, 82696856, 114647914, 165393712, 229295828, 330787424, 458591656, 630563527, 917183312, 1261127054, 1834366624, 2522254108, 5044508216, 10089016432, 20178032864]

約数ペア:

[(1, 20178032864), (2, 10089016432), (4, 5044508216), (8, 2522254108), (11, 1834366624), (16, 1261127054), (22, 917183312), (32, 630563527), (44, 458591656), (61, 330787424), (88, 229295828), (122, 165393712), (176, 114647914), (244, 82696856), (352, 57323957), (488, 41348428), (671, 30071584), (976, 20674214), (1342, 15035792), (1952, 10337107), (2684, 7517896), (5368, 3758948), (10736, 1879474), (21472, 939737)]