20549347

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{937}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 25423552

約数和(自身を除く): 4874205

約数列:

[1, 7, 13, 91, 241, 937, 1687, 3133, 6559, 12181, 21931, 85267, 225817, 1580719, 2935621, 20549347]

約数ペア:

[(1, 20549347), (7, 2935621), (13, 1580719), (91, 225817), (241, 85267), (937, 21931), (1687, 12181), (3133, 6559)]