20570668

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 37288944

約数和(自身を除く): 16718276

約数列:

[1, 2, 4, 37, 74, 131, 148, 262, 524, 1061, 2122, 4244, 4847, 9694, 19388, 39257, 78514, 138991, 157028, 277982, 555964, 5142667, 10285334, 20570668]

約数ペア:

[(1, 20570668), (2, 10285334), (4, 5142667), (37, 555964), (74, 277982), (131, 157028), (148, 138991), (262, 78514), (524, 39257), (1061, 19388), (2122, 9694), (4244, 4847)]