20156812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{387631}}^1$

素因数の和:387648

約数の個数: 12

約数和(自身を含む): 37987936

約数和(自身を除く): 17831124

約数列:

[1, 2, 4, 13, 26, 52, 387631, 775262, 1550524, 5039203, 10078406, 20156812]

約数ペア:

[(1, 20156812), (2, 10078406), (4, 5039203), (13, 1550524), (26, 775262), (52, 387631)]