20451508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2887}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 46577664

約数和(自身を除く): 26126156

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2887, 3542, 5774, 7084, 11548, 20209, 31757, 40418, 63514, 66401, 80836, 127028, 132802, 222299, 265604, 444598, 464807, 730411, 889196, 929614, 1460822, 1859228, 2921644, 5112877, 10225754, 20451508]

約数ペア:

[(1, 20451508), (2, 10225754), (4, 5112877), (7, 2921644), (11, 1859228), (14, 1460822), (22, 929614), (23, 889196), (28, 730411), (44, 464807), (46, 444598), (77, 265604), (92, 222299), (154, 132802), (161, 127028), (253, 80836), (308, 66401), (322, 63514), (506, 40418), (644, 31757), (1012, 20209), (1771, 11548), (2887, 7084), (3542, 5774)]