20054045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 7815139

約数列:

[1, 5, 11, 23, 55, 83, 115, 191, 253, 415, 913, 955, 1265, 1909, 2101, 4393, 4565, 9545, 10505, 15853, 20999, 21965, 48323, 79265, 104995, 174383, 241615, 364619, 871915, 1823095, 4010809, 20054045]

約数ペア:

[(1, 20054045), (5, 4010809), (11, 1823095), (23, 871915), (55, 364619), (83, 241615), (115, 174383), (191, 104995), (253, 79265), (415, 48323), (913, 21965), (955, 20999), (1265, 15853), (1909, 10505), (2101, 9545), (4393, 4565)]