20579408

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6529}}^1$

素因数の和:6734

約数の個数: 20

約数和(自身を含む): 40081140

約数和(自身を除く): 19501732

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6529, 13058, 26116, 52232, 104464, 1286213, 2572426, 5144852, 10289704, 20579408]

約数ペア:

[(1, 20579408), (2, 10289704), (4, 5144852), (8, 2572426), (16, 1286213), (197, 104464), (394, 52232), (788, 26116), (1576, 13058), (3152, 6529)]