20763272

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{4049}}^1$

素因数の和:4696

約数の個数: 16

約数和(自身を含む): 39001500

約数和(自身を除く): 18238228

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 4049, 5128, 8098, 16196, 32392, 2595409, 5190818, 10381636, 20763272]

約数ペア:

[(1, 20763272), (2, 10381636), (4, 5190818), (8, 2595409), (641, 32392), (1282, 16196), (2564, 8098), (4049, 5128)]