20751448

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19801}}^1$

素因数の和:19938

約数の個数: 16

約数和(自身を含む): 39207960

約数和(自身を除く): 18456512

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19801, 39602, 79204, 158408, 2593931, 5187862, 10375724, 20751448]

約数ペア:

[(1, 20751448), (2, 10375724), (4, 5187862), (8, 2593931), (131, 158408), (262, 79204), (524, 39602), (1048, 19801)]