20954808

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13859}}^1$

素因数の和:13881

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 45573192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13859, 27718, 41577, 55436, 83154, 97013, 110872, 124731, 166308, 194026, 249462, 291039, 332616, 374193, 388052, 498924, 582078, 748386, 776104, 873117, 997848, 1164156, 1496772, 1746234, 2328312, 2619351, 2993544, 3492468, 5238702, 6984936, 10477404, 20954808]

約数ペア:

[(1, 20954808), (2, 10477404), (3, 6984936), (4, 5238702), (6, 3492468), (7, 2993544), (8, 2619351), (9, 2328312), (12, 1746234), (14, 1496772), (18, 1164156), (21, 997848), (24, 873117), (27, 776104), (28, 748386), (36, 582078), (42, 498924), (54, 388052), (56, 374193), (63, 332616), (72, 291039), (84, 249462), (108, 194026), (126, 166308), (168, 124731), (189, 110872), (216, 97013), (252, 83154), (378, 55436), (504, 41577), (756, 27718), (1512, 13859)]