20686443368

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1\times {\mathrm{1567}}^1$

素因数の和:2146

約数の個数: 64

約数和(自身を含む): 40340751360

約数和(自身を除く): 19654307992

約数列:

[1, 2, 4, 8, 37, 74, 103, 148, 206, 296, 412, 433, 824, 866, 1567, 1732, 3134, 3464, 3811, 6268, 7622, 12536, 15244, 16021, 30488, 32042, 44599, 57979, 64084, 89198, 115958, 128168, 161401, 178396, 231916, 322802, 356792, 463832, 645604, 678511, 1291208, 1357022, 1650163, 2714044, 3300326, 5428088, 5971837, 6600652, 11943674, 13201304, 23887348, 25104907, 47774696, 50209814, 69886633, 100419628, 139773266, 200839256, 279546532, 559093064, 2585805421, 5171610842, 10343221684, 20686443368]

約数ペア:

[(1, 20686443368), (2, 10343221684), (4, 5171610842), (8, 2585805421), (37, 559093064), (74, 279546532), (103, 200839256), (148, 139773266), (206, 100419628), (296, 69886633), (412, 50209814), (433, 47774696), (824, 25104907), (866, 23887348), (1567, 13201304), (1732, 11943674), (3134, 6600652), (3464, 5971837), (3811, 5428088), (6268, 3300326), (7622, 2714044), (12536, 1650163), (15244, 1357022), (16021, 1291208), (30488, 678511), (32042, 645604), (44599, 463832), (57979, 356792), (64084, 322802), (89198, 231916), (115958, 178396), (128168, 161401)]