20147110984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2515873}}^1$

素因数の和:2515910

約数の個数: 64

約数和(自身を含む): 50720019840

約数和(自身を除く): 30572908856

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, 4004, 8008, 2515873, 5031746, 10063492, 17611111, 20126984, 27674603, 32706349, 35222222, 55349206, 65412698, 70444444, 110698412, 130825396, 140888888, 193722221, 221396824, 228944443, 261650792, 359769839, 387444442, 457888886, 719539678, 774888884, 915777772, 1439079356, 1549777768, 1831555544, 2518388873, 2878158712, 5036777746, 10073555492, 20147110984]

約数ペア:

[(1, 20147110984), (2, 10073555492), (4, 5036777746), (7, 2878158712), (8, 2518388873), (11, 1831555544), (13, 1549777768), (14, 1439079356), (22, 915777772), (26, 774888884), (28, 719539678), (44, 457888886), (52, 387444442), (56, 359769839), (77, 261650792), (88, 228944443), (91, 221396824), (104, 193722221), (143, 140888888), (154, 130825396), (182, 110698412), (286, 70444444), (308, 65412698), (364, 55349206), (572, 35222222), (616, 32706349), (728, 27674603), (1001, 20126984), (1144, 17611111), (2002, 10063492), (4004, 5031746), (8008, 2515873)]