20971952

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56989}}^1$

素因数の和:57020

約数の個数: 20

約数和(自身を含む): 42400560

約数和(自身を除く): 21428608

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56989, 113978, 227956, 455912, 911824, 1310747, 2621494, 5242988, 10485976, 20971952]

約数ペア:

[(1, 20971952), (2, 10485976), (4, 5242988), (8, 2621494), (16, 1310747), (23, 911824), (46, 455912), (92, 227956), (184, 113978), (368, 56989)]