20345984

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6911}}^1$

素因数の和:6948

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 21955456

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6911, 13822, 27644, 55288, 110576, 158953, 221152, 317906, 442304, 635812, 884608, 1271624, 2543248, 5086496, 10172992, 20345984]

約数ペア:

[(1, 20345984), (2, 10172992), (4, 5086496), (8, 2543248), (16, 1271624), (23, 884608), (32, 635812), (46, 442304), (64, 317906), (92, 221152), (128, 158953), (184, 110576), (368, 55288), (736, 27644), (1472, 13822), (2944, 6911)]