20269188

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7127}}^1$

素因数の和:7216

約数の個数: 36

約数和(自身を含む): 51891840

約数和(自身を除く): 31622652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7127, 14254, 21381, 28508, 42762, 64143, 85524, 128286, 256572, 563033, 1126066, 1689099, 2252132, 3378198, 5067297, 6756396, 10134594, 20269188]

約数ペア:

[(1, 20269188), (2, 10134594), (3, 6756396), (4, 5067297), (6, 3378198), (9, 2252132), (12, 1689099), (18, 1126066), (36, 563033), (79, 256572), (158, 128286), (237, 85524), (316, 64143), (474, 42762), (711, 28508), (948, 21381), (1422, 14254), (2844, 7127)]