20178391072

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1344509}}^1$

素因数の和:1344593

約数の個数: 48

約数和(自身を含む): 46079046720

約数和(自身を除く): 25900655648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1876, 2144, 3752, 7504, 15008, 1344509, 2689018, 5378036, 9411563, 10756072, 18823126, 21512144, 37646252, 43024288, 75292504, 90082103, 150585008, 180164206, 301170016, 360328412, 630574721, 720656824, 1261149442, 1441313648, 2522298884, 2882627296, 5044597768, 10089195536, 20178391072]

約数ペア:

[(1, 20178391072), (2, 10089195536), (4, 5044597768), (7, 2882627296), (8, 2522298884), (14, 1441313648), (16, 1261149442), (28, 720656824), (32, 630574721), (56, 360328412), (67, 301170016), (112, 180164206), (134, 150585008), (224, 90082103), (268, 75292504), (469, 43024288), (536, 37646252), (938, 21512144), (1072, 18823126), (1876, 10756072), (2144, 9411563), (3752, 5378036), (7504, 2689018), (15008, 1344509)]