20178533392

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{44657}}^1$

素因数の和:45607

約数の個数: 40

約数和(自身を含む): 40402271232

約数和(自身を除く): 20223737840

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 911, 1822, 3644, 7288, 14576, 28241, 44657, 56482, 89314, 112964, 178628, 225928, 357256, 451856, 714512, 1384367, 2768734, 5537468, 11074936, 22149872, 40682527, 81365054, 162730108, 325460216, 650920432, 1261158337, 2522316674, 5044633348, 10089266696, 20178533392]

約数ペア:

[(1, 20178533392), (2, 10089266696), (4, 5044633348), (8, 2522316674), (16, 1261158337), (31, 650920432), (62, 325460216), (124, 162730108), (248, 81365054), (496, 40682527), (911, 22149872), (1822, 11074936), (3644, 5537468), (7288, 2768734), (14576, 1384367), (28241, 714512), (44657, 451856), (56482, 357256), (89314, 225928), (112964, 178628)]