20394512

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4021}}^1$

素因数の和:4346

約数の個数: 20

約数和(自身を含む): 39648876

約数和(自身を除く): 19254364

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4021, 5072, 8042, 16084, 32168, 64336, 1274657, 2549314, 5098628, 10197256, 20394512]

約数ペア:

[(1, 20394512), (2, 10197256), (4, 5098628), (8, 2549314), (16, 1274657), (317, 64336), (634, 32168), (1268, 16084), (2536, 8042), (4021, 5072)]