20555392

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1161

約数の個数: 64

約数和(自身を含む): 48152160

約数和(自身を除く): 27596768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1123, 1144, 1408, 1664, 2246, 2288, 4492, 4576, 8984, 9152, 12353, 14599, 17968, 18304, 24706, 29198, 35936, 49412, 58396, 71872, 98824, 116792, 143744, 160589, 197648, 233584, 321178, 395296, 467168, 642356, 790592, 934336, 1284712, 1581184, 1868672, 2569424, 5138848, 10277696, 20555392]

約数ペア:

[(1, 20555392), (2, 10277696), (4, 5138848), (8, 2569424), (11, 1868672), (13, 1581184), (16, 1284712), (22, 934336), (26, 790592), (32, 642356), (44, 467168), (52, 395296), (64, 321178), (88, 233584), (104, 197648), (128, 160589), (143, 143744), (176, 116792), (208, 98824), (286, 71872), (352, 58396), (416, 49412), (572, 35936), (704, 29198), (832, 24706), (1123, 18304), (1144, 17968), (1408, 14599), (1664, 12353), (2246, 9152), (2288, 8984), (4492, 4576)]