20810922

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27089238

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 83, 87, 131, 166, 174, 249, 262, 319, 393, 498, 638, 786, 913, 957, 1441, 1826, 1914, 2407, 2739, 2882, 3799, 4323, 4814, 5478, 7221, 7598, 8646, 10873, 11397, 14442, 21746, 22794, 26477, 32619, 41789, 52954, 65238, 79431, 83578, 119603, 125367, 158862, 239206, 250734, 315317, 358809, 630634, 717618, 945951, 1891902, 3468487, 6936974, 10405461, 20810922]

約数ペア:

[(1, 20810922), (2, 10405461), (3, 6936974), (6, 3468487), (11, 1891902), (22, 945951), (29, 717618), (33, 630634), (58, 358809), (66, 315317), (83, 250734), (87, 239206), (131, 158862), (166, 125367), (174, 119603), (249, 83578), (262, 79431), (319, 65238), (393, 52954), (498, 41789), (638, 32619), (786, 26477), (913, 22794), (957, 21746), (1441, 14442), (1826, 11397), (1914, 10873), (2407, 8646), (2739, 7598), (2882, 7221), (3799, 5478), (4323, 4814)]