20216794

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 13712486

約数列:

[1, 2, 13, 26, 43, 86, 107, 169, 214, 338, 559, 1118, 1391, 2197, 2782, 4394, 4601, 7267, 9202, 14534, 18083, 36166, 59813, 94471, 119626, 188942, 235079, 470158, 777569, 1555138, 10108397, 20216794]

約数ペア:

[(1, 20216794), (2, 10108397), (13, 1555138), (26, 777569), (43, 470158), (86, 235079), (107, 188942), (169, 119626), (214, 94471), (338, 59813), (559, 36166), (1118, 18083), (1391, 14534), (2197, 9202), (2782, 7267), (4394, 4601)]