20438373

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3371}}^1$

素因数の和:3464

約数の個数: 16

約数和(自身を含む): 28486656

約数和(自身を除く): 8048283

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3371, 6063, 10113, 144953, 158437, 434859, 475311, 6812791, 20438373]

約数ペア:

[(1, 20438373), (3, 6812791), (43, 475311), (47, 434859), (129, 158437), (141, 144953), (2021, 10113), (3371, 6063)]