20899696072

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{557}}^1\times {\mathrm{36931}}^1$

素因数の和:37621

約数の個数: 32

約数和(自身を含む): 39567467520

約数和(自身を除く): 18667771448

約数列:

[1, 2, 4, 8, 127, 254, 508, 557, 1016, 1114, 2228, 4456, 36931, 70739, 73862, 141478, 147724, 282956, 295448, 565912, 4690237, 9380474, 18760948, 20570567, 37521896, 41141134, 82282268, 164564536, 2612462009, 5224924018, 10449848036, 20899696072]

約数ペア:

[(1, 20899696072), (2, 10449848036), (4, 5224924018), (8, 2612462009), (127, 164564536), (254, 82282268), (508, 41141134), (557, 37521896), (1016, 20570567), (1114, 18760948), (2228, 9380474), (4456, 4690237), (36931, 565912), (70739, 295448), (73862, 282956), (141478, 147724)]