20440795

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2406

約数の個数: 16

約数和(自身を含む): 25801920

約数和(自身を除く): 5361125

約数列:

[1, 5, 29, 61, 145, 305, 1769, 2311, 8845, 11555, 67019, 140971, 335095, 704855, 4088159, 20440795]

約数ペア:

[(1, 20440795), (5, 4088159), (29, 704855), (61, 335095), (145, 140971), (305, 67019), (1769, 11555), (2311, 8845)]