20482484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 21430156

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 139, 187, 197, 278, 374, 394, 556, 748, 788, 1529, 2167, 2363, 3058, 3349, 4334, 4726, 6116, 6698, 8668, 9452, 13396, 25993, 27383, 36839, 51986, 54766, 73678, 103972, 109532, 147356, 301213, 465511, 602426, 931022, 1204852, 1862044, 5120621, 10241242, 20482484]

約数ペア:

[(1, 20482484), (2, 10241242), (4, 5120621), (11, 1862044), (17, 1204852), (22, 931022), (34, 602426), (44, 465511), (68, 301213), (139, 147356), (187, 109532), (197, 103972), (278, 73678), (374, 54766), (394, 51986), (556, 36839), (748, 27383), (788, 25993), (1529, 13396), (2167, 9452), (2363, 8668), (3058, 6698), (3349, 6116), (4334, 4726)]