20920212

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5431}}^1$

素因数の和:5548

約数の個数: 36

約数和(自身を含む): 53385696

約数和(自身を除く): 32465484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5431, 10862, 16293, 21724, 32586, 48879, 65172, 97758, 195516, 581117, 1162234, 1743351, 2324468, 3486702, 5230053, 6973404, 10460106, 20920212]

約数ペア:

[(1, 20920212), (2, 10460106), (3, 6973404), (4, 5230053), (6, 3486702), (9, 2324468), (12, 1743351), (18, 1162234), (36, 581117), (107, 195516), (214, 97758), (321, 65172), (428, 48879), (642, 32586), (963, 21724), (1284, 16293), (1926, 10862), (3852, 5431)]