20754812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{399131}}^1$

素因数の和:399148

約数の個数: 12

約数和(自身を含む): 39114936

約数和(自身を除く): 18360124

約数列:

[1, 2, 4, 13, 26, 52, 399131, 798262, 1596524, 5188703, 10377406, 20754812]

約数ペア:

[(1, 20754812), (2, 10377406), (4, 5188703), (13, 1596524), (26, 798262), (52, 399131)]