20215695049

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{20879}}^1$

素因数の和:21045

約数の個数: 32

約数和(自身を含む): 23813222400

約数和(自身を除く): 3597527351

約数列:

[1, 11, 23, 43, 89, 253, 473, 979, 989, 2047, 3827, 10879, 20879, 22517, 42097, 88021, 229669, 480217, 897797, 968231, 1858231, 5282387, 9875767, 20440541, 20649331, 42739313, 79903933, 227142641, 470132443, 878943263, 1837790459, 20215695049]

約数ペア:

[(1, 20215695049), (11, 1837790459), (23, 878943263), (43, 470132443), (89, 227142641), (253, 79903933), (473, 42739313), (979, 20649331), (989, 20440541), (2047, 9875767), (3827, 5282387), (10879, 1858231), (20879, 968231), (22517, 897797), (42097, 480217), (88021, 229669)]