20016468

素因数分解:

$2^2\times 3^2\times {\mathrm{419}}^1\times {\mathrm{1327}}^1$

素因数の和:1756

約数の個数: 36

約数和(自身を含む): 50756160

約数和(自身を除く): 30739692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 419, 838, 1257, 1327, 1676, 2514, 2654, 3771, 3981, 5028, 5308, 7542, 7962, 11943, 15084, 15924, 23886, 47772, 556013, 1112026, 1668039, 2224052, 3336078, 5004117, 6672156, 10008234, 20016468]

約数ペア:

[(1, 20016468), (2, 10008234), (3, 6672156), (4, 5004117), (6, 3336078), (9, 2224052), (12, 1668039), (18, 1112026), (36, 556013), (419, 47772), (838, 23886), (1257, 15924), (1327, 15084), (1676, 11943), (2514, 7962), (2654, 7542), (3771, 5308), (3981, 5028)]