20664732

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1759}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 32557668

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1759, 1958, 2937, 3518, 3916, 5277, 5874, 7036, 10554, 11748, 19349, 21108, 38698, 58047, 77396, 116094, 156551, 232188, 313102, 469653, 626204, 939306, 1722061, 1878612, 3444122, 5166183, 6888244, 10332366, 20664732]

約数ペア:

[(1, 20664732), (2, 10332366), (3, 6888244), (4, 5166183), (6, 3444122), (11, 1878612), (12, 1722061), (22, 939306), (33, 626204), (44, 469653), (66, 313102), (89, 232188), (132, 156551), (178, 116094), (267, 77396), (356, 58047), (534, 38698), (979, 21108), (1068, 19349), (1759, 11748), (1958, 10554), (2937, 7036), (3518, 5874), (3916, 5277)]