20044915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4391}}^1$

素因数の和:4490

約数の個数: 16

約数和(自身を含む): 26562816

約数和(自身を除く): 6517901

約数列:

[1, 5, 11, 55, 83, 415, 913, 4391, 4565, 21955, 48301, 241505, 364453, 1822265, 4008983, 20044915]

約数ペア:

[(1, 20044915), (5, 4008983), (11, 1822265), (55, 364453), (83, 241505), (415, 48301), (913, 21955), (4391, 4565)]