20994512

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17041}}^1$

素因数の和:17067

約数の個数: 40

約数和(自身を含む): 50716992

約数和(自身を除く): 29722480

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17041, 34082, 68164, 119287, 136328, 187451, 238574, 272656, 374902, 477148, 749804, 954296, 1312157, 1499608, 1908592, 2624314, 2999216, 5248628, 10497256, 20994512]

約数ペア:

[(1, 20994512), (2, 10497256), (4, 5248628), (7, 2999216), (8, 2624314), (11, 1908592), (14, 1499608), (16, 1312157), (22, 954296), (28, 749804), (44, 477148), (56, 374902), (77, 272656), (88, 238574), (112, 187451), (154, 136328), (176, 119287), (308, 68164), (616, 34082), (1232, 17041)]