20294073

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 33246720

約数和(自身を除く): 12952647

約数列:

[1, 3, 9, 17, 23, 51, 69, 73, 79, 153, 207, 219, 237, 391, 657, 711, 1173, 1241, 1343, 1679, 1817, 3519, 3723, 4029, 5037, 5451, 5767, 11169, 12087, 15111, 16353, 17301, 28543, 30889, 51903, 85629, 92667, 98039, 132641, 256887, 278001, 294117, 397923, 882351, 1193769, 2254897, 6764691, 20294073]

約数ペア:

[(1, 20294073), (3, 6764691), (9, 2254897), (17, 1193769), (23, 882351), (51, 397923), (69, 294117), (73, 278001), (79, 256887), (153, 132641), (207, 98039), (219, 92667), (237, 85629), (391, 51903), (657, 30889), (711, 28543), (1173, 17301), (1241, 16353), (1343, 15111), (1679, 12087), (1817, 11169), (3519, 5767), (3723, 5451), (4029, 5037)]