20294278

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1973}}^1$

素因数の和:2151

約数の個数: 16

約数和(自身を含む): 31505040

約数和(自身を除く): 11210762

約数列:

[1, 2, 37, 74, 139, 278, 1973, 3946, 5143, 10286, 73001, 146002, 274247, 548494, 10147139, 20294278]

約数ペア:

[(1, 20294278), (2, 10147139), (37, 548494), (74, 274247), (139, 146002), (278, 73001), (1973, 10286), (3946, 5143)]