20004710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7907}}^1$

素因数の和:7948

約数の個数: 32

約数和(自身を含む): 40995072

約数和(自身を除く): 20990362

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7907, 15814, 39535, 79070, 86977, 173954, 181861, 363722, 434885, 869770, 909305, 1818610, 2000471, 4000942, 10002355, 20004710]

約数ペア:

[(1, 20004710), (2, 10002355), (5, 4000942), (10, 2000471), (11, 1818610), (22, 909305), (23, 869770), (46, 434885), (55, 363722), (110, 181861), (115, 173954), (230, 86977), (253, 79070), (506, 39535), (1265, 15814), (2530, 7907)]