20458746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 96

約数和(自身を含む): 57283200

約数和(自身を除く): 36824454

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 29, 33, 42, 58, 63, 66, 77, 87, 99, 126, 154, 174, 198, 203, 231, 261, 319, 406, 462, 509, 522, 609, 638, 693, 957, 1018, 1218, 1386, 1527, 1827, 1914, 2233, 2871, 3054, 3563, 3654, 4466, 4581, 5599, 5742, 6699, 7126, 9162, 10689, 11198, 13398, 14761, 16797, 20097, 21378, 29522, 32067, 33594, 39193, 40194, 44283, 50391, 64134, 78386, 88566, 100782, 103327, 117579, 132849, 162371, 206654, 235158, 265698, 309981, 324742, 352737, 487113, 619962, 705474, 929943, 974226, 1136597, 1461339, 1859886, 2273194, 2922678, 3409791, 6819582, 10229373, 20458746]

約数ペア:

[(1, 20458746), (2, 10229373), (3, 6819582), (6, 3409791), (7, 2922678), (9, 2273194), (11, 1859886), (14, 1461339), (18, 1136597), (21, 974226), (22, 929943), (29, 705474), (33, 619962), (42, 487113), (58, 352737), (63, 324742), (66, 309981), (77, 265698), (87, 235158), (99, 206654), (126, 162371), (154, 132849), (174, 117579), (198, 103327), (203, 100782), (231, 88566), (261, 78386), (319, 64134), (406, 50391), (462, 44283), (509, 40194), (522, 39193), (609, 33594), (638, 32067), (693, 29522), (957, 21378), (1018, 20097), (1218, 16797), (1386, 14761), (1527, 13398), (1827, 11198), (1914, 10689), (2233, 9162), (2871, 7126), (3054, 6699), (3563, 5742), (3654, 5599), (4466, 4581)]