51720212

素因数分解:

$2^2\times {\mathrm{653}}^1\times {\mathrm{19801}}^1$

素因数の和:20458

約数の個数: 12

約数和(自身を含む): 90653556

約数和(自身を除く): 38933344

約数列:

[1, 2, 4, 653, 1306, 2612, 19801, 39602, 79204, 12930053, 25860106, 51720212]

約数ペア:

[(1, 51720212), (2, 25860106), (4, 12930053), (653, 79204), (1306, 39602), (2612, 19801)]