20364344

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2580

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 30922696

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2543, 4004, 5086, 8008, 10172, 17801, 20344, 27973, 33059, 35602, 55946, 66118, 71204, 111892, 132236, 142408, 195811, 223784, 231413, 264472, 363649, 391622, 462826, 727298, 783244, 925652, 1454596, 1566488, 1851304, 2545543, 2909192, 5091086, 10182172, 20364344]

約数ペア:

[(1, 20364344), (2, 10182172), (4, 5091086), (7, 2909192), (8, 2545543), (11, 1851304), (13, 1566488), (14, 1454596), (22, 925652), (26, 783244), (28, 727298), (44, 462826), (52, 391622), (56, 363649), (77, 264472), (88, 231413), (91, 223784), (104, 195811), (143, 142408), (154, 132236), (182, 111892), (286, 71204), (308, 66118), (364, 55946), (572, 35602), (616, 33059), (728, 27973), (1001, 20344), (1144, 17801), (2002, 10172), (2543, 8008), (4004, 5086)]