20338670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8039}}^1$

素因数の和:8080

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 21340690

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8039, 16078, 40195, 80390, 88429, 176858, 184897, 369794, 442145, 884290, 924485, 1848970, 2033867, 4067734, 10169335, 20338670]

約数ペア:

[(1, 20338670), (2, 10169335), (5, 4067734), (10, 2033867), (11, 1848970), (22, 924485), (23, 884290), (46, 442145), (55, 369794), (110, 184897), (115, 176858), (230, 88429), (253, 80390), (506, 40195), (1265, 16078), (2530, 8039)]