20961568

素因数分解:

$2^5\times {\mathrm{331}}^1\times {\mathrm{1979}}^1$

素因数の和:2320

約数の個数: 24

約数和(自身を含む): 41413680

約数和(自身を除く): 20452112

約数列:

[1, 2, 4, 8, 16, 32, 331, 662, 1324, 1979, 2648, 3958, 5296, 7916, 10592, 15832, 31664, 63328, 655049, 1310098, 2620196, 5240392, 10480784, 20961568]

約数ペア:

[(1, 20961568), (2, 10480784), (4, 5240392), (8, 2620196), (16, 1310098), (32, 655049), (331, 63328), (662, 31664), (1324, 15832), (1979, 10592), (2648, 7916), (3958, 5296)]