12920984

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{37561}}^1$

素因数の和:37610

約数の個数: 16

約数和(自身を含む): 24790920

約数和(自身を除く): 11869936

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 37561, 75122, 150244, 300488, 1615123, 3230246, 6460492, 12920984]

約数ペア:

[(1, 12920984), (2, 6460492), (4, 3230246), (8, 1615123), (43, 300488), (86, 150244), (172, 75122), (344, 37561)]