20161984

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{13697}}^1$

素因数の和:13732

約数の個数: 28

約数和(自身を含む): 41751504

約数和(自身を除く): 21589520

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 368, 736, 1472, 13697, 27394, 54788, 109576, 219152, 315031, 438304, 630062, 876608, 1260124, 2520248, 5040496, 10080992, 20161984]

約数ペア:

[(1, 20161984), (2, 10080992), (4, 5040496), (8, 2520248), (16, 1260124), (23, 876608), (32, 630062), (46, 438304), (64, 315031), (92, 219152), (184, 109576), (368, 54788), (736, 27394), (1472, 13697)]