20831752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4477

約数の個数: 32

約数和(自身を含む): 42451200

約数和(自身を除く): 21619448

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4421, 4712, 8842, 17684, 35368, 83999, 137051, 167998, 274102, 335996, 548204, 671992, 1096408, 2603969, 5207938, 10415876, 20831752]

約数ペア:

[(1, 20831752), (2, 10415876), (4, 5207938), (8, 2603969), (19, 1096408), (31, 671992), (38, 548204), (62, 335996), (76, 274102), (124, 167998), (152, 137051), (248, 83999), (589, 35368), (1178, 17684), (2356, 8842), (4421, 4712)]