20065788

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1117}}^1$

素因数の和:1626

約数の個数: 36

約数和(自身を含む): 50869000

約数和(自身を除く): 30803212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1117, 1497, 1996, 2234, 2994, 3351, 4468, 4491, 5988, 6702, 8982, 10053, 13404, 17964, 20106, 40212, 557383, 1114766, 1672149, 2229532, 3344298, 5016447, 6688596, 10032894, 20065788]

約数ペア:

[(1, 20065788), (2, 10032894), (3, 6688596), (4, 5016447), (6, 3344298), (9, 2229532), (12, 1672149), (18, 1114766), (36, 557383), (499, 40212), (998, 20106), (1117, 17964), (1497, 13404), (1996, 10053), (2234, 8982), (2994, 6702), (3351, 5988), (4468, 4491)]