20153253208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{12613}}^1$

素因数の和:12968

約数の個数: 64

約数和(自身を含む): 41995537920

約数和(自身を除く): 21842284712

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 271, 536, 542, 737, 1084, 1474, 2168, 2948, 2981, 5896, 5962, 11924, 12613, 18157, 23848, 25226, 36314, 50452, 72628, 100904, 138743, 145256, 199727, 277486, 399454, 554972, 798908, 845071, 1109944, 1597816, 1690142, 3380284, 3418123, 6760568, 6836246, 9295781, 13672492, 18591562, 27344984, 37183124, 37599353, 74366248, 75198706, 150397412, 229014241, 300794824, 458028482, 916056964, 1832113928, 2519156651, 5038313302, 10076626604, 20153253208]

約数ペア:

[(1, 20153253208), (2, 10076626604), (4, 5038313302), (8, 2519156651), (11, 1832113928), (22, 916056964), (44, 458028482), (67, 300794824), (88, 229014241), (134, 150397412), (268, 75198706), (271, 74366248), (536, 37599353), (542, 37183124), (737, 27344984), (1084, 18591562), (1474, 13672492), (2168, 9295781), (2948, 6836246), (2981, 6760568), (5896, 3418123), (5962, 3380284), (11924, 1690142), (12613, 1597816), (18157, 1109944), (23848, 845071), (25226, 798908), (36314, 554972), (50452, 399454), (72628, 277486), (100904, 199727), (138743, 145256)]