20397776

素因数分解:

$2^4\times 7^1\times {\mathrm{182123}}^1$

素因数の和:182138

約数の個数: 20

約数和(自身を含む): 45166752

約数和(自身を除く): 24768976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182123, 364246, 728492, 1274861, 1456984, 2549722, 2913968, 5099444, 10198888, 20397776]

約数ペア:

[(1, 20397776), (2, 10198888), (4, 5099444), (7, 2913968), (8, 2549722), (14, 1456984), (16, 1274861), (28, 728492), (56, 364246), (112, 182123)]