20327956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 20496044

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 89, 116, 178, 179, 319, 356, 358, 638, 716, 979, 1276, 1958, 1969, 2581, 3916, 3938, 5162, 5191, 7876, 10324, 10382, 15931, 20764, 28391, 31862, 56782, 57101, 63724, 113564, 114202, 175241, 228404, 350482, 461999, 700964, 923998, 1847996, 5081989, 10163978, 20327956]

約数ペア:

[(1, 20327956), (2, 10163978), (4, 5081989), (11, 1847996), (22, 923998), (29, 700964), (44, 461999), (58, 350482), (89, 228404), (116, 175241), (178, 114202), (179, 113564), (319, 63724), (356, 57101), (358, 56782), (638, 31862), (716, 28391), (979, 20764), (1276, 15931), (1958, 10382), (1969, 10324), (2581, 7876), (3916, 5191), (3938, 5162)]