20807824

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56543}}^1$

素因数の和:56574

約数の個数: 20

約数和(自身を含む): 42068736

約数和(自身を除く): 21260912

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56543, 113086, 226172, 452344, 904688, 1300489, 2600978, 5201956, 10403912, 20807824]

約数ペア:

[(1, 20807824), (2, 10403912), (4, 5201956), (8, 2600978), (16, 1300489), (23, 904688), (46, 452344), (92, 226172), (184, 113086), (368, 56543)]