20397392

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7369}}^1$

素因数の和:7550

約数の個数: 20

約数和(自身を含む): 39753780

約数和(自身を除く): 19356388

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7369, 14738, 29476, 58952, 117904, 1274837, 2549674, 5099348, 10198696, 20397392]

約数ペア:

[(1, 20397392), (2, 10198696), (4, 5099348), (8, 2549674), (16, 1274837), (173, 117904), (346, 58952), (692, 29476), (1384, 14738), (2768, 7369)]