20948556

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3541}}^1$

素因数の和:3594

約数の個数: 48

約数和(自身を含む): 53555040

約数和(自身を除く): 32606484

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 174, 204, 348, 493, 986, 1479, 1972, 2958, 3541, 5916, 7082, 10623, 14164, 21246, 42492, 60197, 102689, 120394, 180591, 205378, 240788, 308067, 361182, 410756, 616134, 722364, 1232268, 1745713, 3491426, 5237139, 6982852, 10474278, 20948556]

約数ペア:

[(1, 20948556), (2, 10474278), (3, 6982852), (4, 5237139), (6, 3491426), (12, 1745713), (17, 1232268), (29, 722364), (34, 616134), (51, 410756), (58, 361182), (68, 308067), (87, 240788), (102, 205378), (116, 180591), (174, 120394), (204, 102689), (348, 60197), (493, 42492), (986, 21246), (1479, 14164), (1972, 10623), (2958, 7082), (3541, 5916)]