20976176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100847}}^1$

素因数の和:100868

約数の個数: 20

約数和(自身を含む): 43768032

約数和(自身を除く): 22791856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100847, 201694, 403388, 806776, 1311011, 1613552, 2622022, 5244044, 10488088, 20976176]

約数ペア:

[(1, 20976176), (2, 10488088), (4, 5244044), (8, 2622022), (13, 1613552), (16, 1311011), (26, 806776), (52, 403388), (104, 201694), (208, 100847)]