20583760

素因数分解:

$2^4\times 5^1\times {\mathrm{257297}}^1$

素因数の和:257310

約数の個数: 20

約数和(自身を含む): 47857428

約数和(自身を除く): 27273668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257297, 514594, 1029188, 1286485, 2058376, 2572970, 4116752, 5145940, 10291880, 20583760]

約数ペア:

[(1, 20583760), (2, 10291880), (4, 5145940), (5, 4116752), (8, 2572970), (10, 2058376), (16, 1286485), (20, 1029188), (40, 514594), (80, 257297)]